diff --git a/BauSystem_Main/src/BauSystem.properties b/BauSystem_Main/src/BauSystem.properties
index 6f50f73f..bdb6d4f6 100644
--- a/BauSystem_Main/src/BauSystem.properties
+++ b/BauSystem_Main/src/BauSystem.properties
@@ -21,12 +21,15 @@ TIME=HH:mm:ss
 DATE=........
 COMMAND_HELP_HEAD=§7---=== (§e{0}§7) ===---
 ONLY_SCHEMS=§cFolders are unselectable
+
 PAGE_LIST=§e Page ({0}/{1}) »»
 LIST_PREVIOUS_PAGE=§ePrevious page
 LIST_NEXT_PAGE=§eNext page
+
 # Permissions
 NO_PERMISSION=You are not allowed to use that here
 SPECTATOR=§fSpectator
+
 # Scoreboard
 SCOREBOARD_TIME=Time
 SCOREBOARD_REGION=Region
@@ -41,6 +44,7 @@ SCOREBOARD_LOCK_TEAM=Bau Lock§8: §eTeam
 SCOREBOARD_LOCK_TEAM_AND_SERVERTEAM=Bau Lock§8: §e(Server) Team
 SCOREBOARD_LOCK_SERVERTEAM=Bau Lock§8: §eServer Team
 SCOREBOARD_LOCK_NOBODY=Bau Lock§8: §cNobody
+
 # Flags
 FLAG_COLOR=Color
 FLAG_TNT=TNT
@@ -48,6 +52,8 @@ FLAG_FIRE=Fire
 FLAG_FREEZE=Freeze
 FLAG_PROTECT=Protect
 FLAG_ITEMS=Items
+FLAG_TESTBLOCK=Testblock
+FLAG_CHANGED=Changed
 FLAG_FIRE_ALLOW=§con
 FLAG_FIRE_DENY=§aoff
 FLAG_FREEZE_ACTIVE=§aon
@@ -78,10 +84,17 @@ FLAG_COLOR_BROWN=§eBrown
 FLAG_COLOR_GREEN=§2Green
 FLAG_COLOR_RED=§cRed
 FLAG_COLOR_BLACK=§0Black
+FLAG_TESTBLOCK_NO_VALUE=§eNo Value
+FLAG_TESTBLOCK_NORTH=§eNorth
+FLAG_TESTBLOCK_SOUTH=§eSouth
+FLAG_CHANGED_NO_CHANGE=§cNo
+FLAG_CHANGED_HAS_CHANGE=§aYes
+
 # Region
 REGION_TYPE_NORMAL=Normal
 REGION_TYPE_BUILD=Build area
 REGION_TYPE_ONLY_TB=Dummy
+
 # AttributesCopy
 ATTRIBUTES_CANT_COPY=§cYou need to hold the same item type and hover over the same block to copy.
 ATTRIBUTES_NO_COPY=§cNo attributes to copy.
@@ -90,6 +103,7 @@ ATTRIBUTE_REMOVE_COMMAND_HELP=§8/§eattributeremove §8[§eattribute§8|§7all
 ATTRIBUTE_REMOVE_ALL=§eAll attributes removed.
 ATTRIBUTE_REMOVE_SINGLE=§eAttribute §7{0}§e removed.
 ATTRIBUTE_REMOVE_NOT_FOUND=§cAttribute not found
+
 # AutoStart
 AUTOSTART_COMMAND_HELP=§8/§etimer §8- §7Retrieve AutostartTimer Tool
 AUTOSTART_ITEM_NAME=§eAutostartTimer
@@ -100,6 +114,7 @@ AUTOSTART_MESSAGE_START=§eAutostartTimer started
 AUTOSTART_MESSAGE_RESULT1=§eTime §7until §eexplosion §7at enemy§8:§e {0}§7 game ticks
 AUTOSTART_MESSAGE_RESULT2=§7Time difference in §egame-ticks §7until {0} seconds§8:§e {1}
 AUTOSTART_MESSAGE_RESULT3=§7positive, if too few, negative if too many
+
 # Backup
 BACKUP_HELP_CREATE=§8/§ebackup create §8- §7Create a region backup
 BACKUP_HELP_LOAD=§8/§ebackup load §8[§7BackupName§8] §8- §7Load a region backup
@@ -116,6 +131,7 @@ BACKUP_LOAD=§7Backup loaded
 BACKUP_INV_NAME=§eBackup
 BACKUP_ITEM_NAME=§eBackup §7from §e{0}
 BACKUP_LORE=§eClick to load
+
 # Bau
 BAU_COMMAND_HELP_INFO=§8/§ebau info §8- §7Alias for §8/§ebauinfo
 BAU_INFO_ITEM_NAME=§eBau-Management
@@ -128,9 +144,10 @@ BAU_INFO_ITEM_LORE_PROTECT=§7Protect§8: §e{0}
 BAU_INFO_ITEM_LORE_ITEMS=§7Items§8: §e{0}
 BAU_INFO_COMMAND_HELP=§8/§ebauinfo §8- §7Information regarding this build server
 BAU_INFO_COMMAND_OWNER=§7Owner§8: §e{0}
-BAU_INFO_COMMAND_MEMBER=§7{0} §8[§7{1}§8]§8: §e{2}
+BAU_INFO_COMMAND_MEMBER=§7Member §8[§7{0}§8]§8: §e
 BAU_INFO_COMMAND_FLAG=§7{0}§8: §7{1}
 BAU_INFO_COMMAND_TPS=§7TPS§8:§e
+
 # Countingwand
 COUNTINGWAND_COMMAND_HELP=§8/§ecountingwand §8- §7Receive a CountingWand
 COUNTINGWAND_ITEM_NAME=§eMeterstick
@@ -140,11 +157,13 @@ COUNTINGWAND_MESSAGE_RCLICK=§7First position at: §8[§7{0}§8, §7{1}§8, §7{
 COUNTINGWAND_MESSAGE_LCLICK=§7Second position at: §8[§7{0}§8, §7{1}§8, §7{2}§8] ({3}§8) ({4}§8)
 COUNTINGWAND_MESSAGE_VOLUME=§e{0}
 COUNTINGWAND_MESSAGE_DIMENSION=§e{0}§8, §e{1}§8, §e{2}
+
 # Design Endstone
 DESIGN_ENDSTONE_COMMAND_HELP=§8/§edesignendstone §8- §7Highlight endstone in design
 DESIGN_ENDSTONE_REGION_ERROR=§cThis region has no build area
 DESIGN_ENDSTONE_ENABLE=§aEndstone is highlighted
 DESIGN_ENDSTONE_DISABLE=§cEndstone is no longer hightlighted
+
 # Detonator
 DETONATOR_LOC_REMOVE=§e{0} removed
 DETONATOR_LOC_ADD=§e{0} added
@@ -194,16 +213,19 @@ GUI_EDITOR_ITEM_TRASH_LORE=§7Drop item here
 GUI_EDITOR_ITEM_MORE=§eMore items
 GUI_EDITOR_ITEM_CLOSE=§eClose
 GUI_EDITOR_TITLE_MORE=Select item
+
 # Script
 ## Errors
 SCRIPT_ERROR_GUI=§cError in parsing script: Line {0}
 SCRIPT_ERROR_GLOBAL=§cError in global script: Line {0}
 SCRIPT_ERROR_CLICK=§cError in script: Line {0}
 SCRIPT_ERROR_ONLY_IN_GLOBAL=§cThis function is only available in global scripts
+
 ## CustomScript
 SCRIPT_HOTKEY_ITEM_NAME=§7Hotkey§8: §e{0}
 SCRIPT_EVENT_ITEM_NAME=§7Event§8: §e{0}
 SCRIPT_COMMAND_ITEM_NAME=§7Command§8: §e/{0}
+
 ## Script Menu GUI
 SCRIPT_MENU_GUI_ITEM_LORE_1=§7Click to retrieve
 SCRIPT_MENU_GUI_ITEM_LORE_2=§7Shift-Click to copy
@@ -214,6 +236,7 @@ SCRIPT_MENU_GUI_ITEM_ADD_NAME=§eInsert
 SCRIPT_MENU_GUI_ITEM_ADD_LORE=§7Click with a book to insert
 SCRIPT_MENU_GUI_ENTER_NAME=§eEnter a name
 SCRIPT_DEPRECATED=§cThe function §8\'§e{0}§8\'§c is deprecated and will be removed in the future. Please use §8\'§e{1}§8\'§c instead.
+
 # Shield Printing
 SHIELD_PRINTING_HELP_START=§8/§eshieldprinting start §8- §7Starts the shield printing
 SHIELD_PRINTING_HELP_COPY=§8/§eshieldprinting copy §8- §7Copies the shield configuration
@@ -251,8 +274,10 @@ SHIELD_PRINTING_START=§aThe shield printing has been started.
 SHIELD_PRINTING_COPY=§aThe shield has been copied.
 SHIELD_PRINTING_APPLY=§aThe shield has been applied.
 SHIELD_PRINTING_STOP=§aThe shield printing has been stopped.
+
 # Unsign Book
 UNSIGN_HELP=§8/§eunsign §8- §7Make a signed book writable again
+
 # Simulator
 SIMULATOR_HELP=§8/§esimulator §8-§7 Gives you the simulator wand
 SIMULATOR_CREATE_HELP=§8/§esimulator create §8[§7name§8] §8-§7 Create a new simulator
@@ -283,6 +308,7 @@ SIMULATOR_WAND_LORE_3=§eLeft click §8- §7Start the simulation
 SIMULATOR_WAND_LORE_4=§eRight click in air §8- §7Opens the gui
 SIMULATOR_WAND_LORE_5=§eDouble Sneak §8- §7Swap between TNT and Redstone Block
 SIMULATOR_REGION_FROZEN=§cSimulator cannot be used inside frozen regions
+
 ## Other
 SIMULATOR_PLUS_ONE=§7+1
 SIMULATOR_PLUS_PIXEL_SHIFT=§eShift §7Click for §e+0,0625
@@ -296,6 +322,7 @@ SIMULATOR_POSITION_Z=§7z-Position
 SIMULATOR_BACK=§eBack
 SIMULATOR_GUI_TOTAL_TNT=§7Total TNT§8: §e{0}
 SIMULATOR_DELETED=§cSimulator deleted
+
 ## GUI
 SIMULATOR_POSITION_EDIT=§eEdit position
 SIMULATOR_POSITION_ADD=§eSet position
@@ -366,16 +393,19 @@ SIMULATOR_TNT_SPAWN_ADD_IGNITION_PHASE=§eAdd prime phase
 SIMULATOR_TNT_SPAWN_ADD_TNT=§eAdd TNT
 SIMULATOR_TNT_SPAWN_REMOVE_TNT=§cRemove
 SIMULATOR_TNT_SPAWN_POSITION_ANVIL_GUI_NAME=Position
+
 # SmartPlace
 SMART_PLACE_HELP=§8/§esmartplace §8-§7 Toggles SmartPlace
 SMART_PLACE_INFO=§7Places rotatable blocks §eaway§7 from you when §esneaking§7.
 SMART_PLACE_ENABLE=§aSmartPlace activated
 SMART_PLACE_DISABLE=§cSmartPlace deactivated
+
 # InventoryFiller
 INVENTORY_FILL_HELP=§8/§einventoryfill §8- §7Toggles InventoryFill
 INVENTORY_FILL_INFO=§7Helps you fill containers by looking at them while sneaking and dropping the item. Or just scroll on a container to change the amount of the item inside.
 INVENTORY_FILL_ENABLE=§aInventoryFiller activated
 INVENTORY_FILL_DISABLE=§cInventoryFiller deactivated
+
 # Killchecker
 KILLCHECKER_HELP_ENABLE=§8/§ekillchecker enable §8- §7Enables Killchecker / Recalculates kills
 KILLCHECKER_HELP_DISABLE=§8/§ekillchecker disable §8- §7Disables Killchecker
@@ -384,6 +414,7 @@ KILLCHECKER_INFO2=§7Only colorable blocks like Wool, Terractotta, Stained Glass
 KILLCHECKER_ENABLE=§aKillchecker activated
 KILLCHECKER_DISABLE=§cKillchecker deactivated
 KILLCHECKER_BOSSBAR=§e§l{0} §7(§e{1}%§7)   §e§l{2}§7 cannons
+
 # BlockCounter
 BLOCK_COUNTER_HELP_TOGGLE=§8/§eblockcounter §8- §7Toggle on/off
 BLOCK_COUNTER_HELP_ENABLE=§8/§eblockcounter enable §8- §7Toggles BlockCounter on
@@ -392,11 +423,13 @@ BLOCK_COUNTER_MESSAGE=§7Damage §8> §e{0} §7Blocks  §e{1} §7TNT  §e{2} §7
 BLOCK_COUNTER_MESSAGE_SECOND=§7Damage §8> §e{0} §7Blocks  §e{1} §7TNT  §e{2} §7Blocks/TNT  §e{3} §7Blocks/s
 BLOCK_COUNTER_ENABLE=§7BlockCounter activated
 BLOCK_COUNTER_DISABLE=§7BlockCounter deactivated
+
 # DepthCounter
 DEPTH_COUNTER_MESSAGE=§7Depth §8> §7
 DEPTH_COUNTER_COUNT={0}{1}§8×{2}{3}§8×{4}{5}
 DEPTH_COUNTER_HOVER=§7X§8ק7Y§8ק7Z
 DEPTH_COUNTER_TNT=§7   TNT§8: §e{0}
+
 # TPSLimit
 TPSLIMIT_FREEZE_HELP=§8/§etpslimit 0 §8-§7 Freeze TPS
 TPSLIMIT_LIMIT_HELP=§8/§etpslimit §8[§720>x>0.5§8] §8-§7 Slow TPS down
@@ -419,6 +452,7 @@ TPSLIMIT_ANVIL_GUI=New TPS limit
 TPSLIMIT_CURRENT=§7Current TPS limit§8: §e{0}
 TPSLIMIT_SET=§eSet TPS limit to {0}
 TPSLIMIT_FROZEN=§eTPS frozen
+
 # Trace
 TRACE_RECORD=§aon
 TRACE_HAS_TRACES=§ehas Traces
@@ -442,6 +476,7 @@ TRACE_MESSAGE_SHARE_HOVER=§eClick to view
 TRACE_MESSAGE_FOLLOW=§aYou are now following {0} Trace show state
 TRACE_MESSAGE_FOLLOW_SELF=§cYou cannot follow yourself!
 TRACE_MESSAGE_UNFOLLOW=§cYou are no longer following a Trace show state
+
 TRACE_COMMAND_HELP_START=§8/§etrace start §8- §7Starts recording of all TNT-positions
 TRACE_COMMAND_HELP_STOP=§8/§etrace stop §8- §7Stops the TNT-Tracer
 TRACE_COMMAND_HELP_AUTO=§8/§etrace toggleauto §8- §7Automatic start of recording
@@ -467,12 +502,14 @@ TRACE_GUI_TRACE_ACTIVE_AUTO=§eAuto-Trace is active
 TRACE_GUI_AUTO_TRACE_INACTIVE=§eacitvate Auto-Tracer
 TRACE_GUI_AUTO_TRACE_ACTIVE=§edeactivate Auto-Tracer
 TRACE_GUI_DELETE=§eDelete trace
+
 # Loader
 LOADER_SETUP=§eSetup
 LOADER_RUNNING=§aRunning
 LOADER_PAUSE=§7Pause
 LOADER_END=§8Finished
 LOADER_SINGLE=§aSingle
+
 LOADER_MESSAGE_INTERACT=§e{0} added {1}
 LOADER_MESSAGE_UNINTERACT=§eRemoved Element
 LOADER_BUTTON_TNT=TNT
@@ -490,6 +527,7 @@ LOADER_BUTTON_LECTERN=Lectern
 LOADER_BUTTON_TRAPDOOR=Trapdoor
 LOADER_BUTTON_DOOR=Door
 LOADER_BUTTON_FENCEGATE=Fencegate
+
 LOADER_HELP_SETUP=§8/§eloader setup §8- §7Starts recording actions
 LOADER_SETUP_STOP_FIRST=§cPlease stop the current loader first!
 LOADER_HELP_START=§8/§eloader start §8- §7Playback of previously recorded actions
@@ -525,6 +563,7 @@ LOADER_GUI_SETTINGS_COPY=§7Copy
 LOADER_GUI_SETTINGS_DELETE=§cDelete
 LOADER_GUI_WAIT_TITLE=Settings
 LOADER_GUI_WAIT_BACK=§8Back
+
 LOADER_GUI_CLICK_TO_EDIT=§7Click to edit
 LOADER_GUI_ITEM_NAME=§7{0}§8: §e{1}
 LOADER_SETTING_NAME=§7{0}
@@ -559,6 +598,7 @@ LOADER_INTERACTION_OPEN=Open
 LOADER_INTERACTION_CLOSED=Closed
 LOADER_INTERACTION_COMPARE=Compare
 LOADER_INTERACTION_SUBTRACT=Subtract
+
 # Loadtimer
 LOADTIMER_HELP_OVERVIEW=§7Compete with your friends loading your cannon and get information about the cannon
 LOADTIMER_HELP_START_1=§8/§eloadtimer start §8-§7 Starts the simple Loadtimer
@@ -588,6 +628,7 @@ LOADTIMER_SUMARY_TIMES_LAST=§7\\/
 LOADTIMER_SUMARY_STATS_HEAD=§7Cannon-Stats§8:
 LOADTIMER_SUMARY_STATS_TNT=§7TNT: §e{0}
 LOADTIMER_SUMARY_STATS_FREQ=§7Loading frequency: §e{0}/m§8, §7Shot frequency: §e{1}/m
+
 # Observer
 OBSERVER_HELP=§7Right-Click an Observer to get the Trace. Flame particles have to be enabled. The Particles will be shown in the block.
 OBSERVER_HELP_ENABLE=§8/§eobserver enable §8-§7 Activates the Observer-Tracer
@@ -599,6 +640,7 @@ OBSERVER_DISABLE=§7Observer trace stopped
 OBSERVER_DELETE=§7Observer trace deleted
 OBSERVER_RETRACE_DONE=§7Observer trace retraced
 OBSERVER_RETRACE_NO_TRACE=§7No Observer trace to retrace
+
 # Other
 OTHER_ITEMS_TELEPORT_NAME=§eTeleporter
 OTHER_ITEMS_TELEPORT_GUI_NAME=Teleport
@@ -666,6 +708,7 @@ NIGHT_VISION_OFF=§eNightvision deactivated
 NIGHT_VISION_ON=§eNightvision activated
 NIGHT_VISION_ITEM_ON=§7Nightvision: §eActivated
 NIGHT_VISION_ITEM_OFF=§7Nightvision: §eDeactivated
+
 #Navigation Wand
 NAVIGATION_WAND=§eNavigation Wand
 NAVIGATION_WAND_LEFT_CLICK=§eLeft click: jump to location
@@ -811,6 +854,7 @@ PANZERN_PREPARE4=§74. Standing in the region that is being armored can improve
 PANZERN_NO_WORLDEDIT=§cYou have no WorldEdit selcetion
 PANZERN_PROGRESS=§e{0} §7Blocks left, §e{1} §7Blocks per second, §e{2} §7block delta
 PANZERN_DONE=§aDone
+
 # Laufbau
 LAUFBAU_HELP=§8/§elaufbau §8[§7smallest§8|§7blastresistant§8] §8- §7Build a barrel in your WorldEdit selection using the traces
 LAUFBAU_HELP_SETTINGS=§8/§elaufbau settings §8- §7Opens the settings GUI
@@ -909,6 +953,7 @@ LAUFBAU_SHAPE_OUTER_LEFT=§8-§7 Shape outer links
 LAUFBAU_SHAPE_INNER_LEFT=§8-§7 Shape inner left
 LAUFBAU_TILT_NONE=§8-§7 Tilt none
 LAUFBAU_TILT_PARTIAL=§8-§7 Tilt partial
+
 # UTILS
 SELECT_HELP=§8/§eselect §8[§7RegionsTyp§8] §8- §7Select a region type
 SELECT_EXTENSION_HELP=§8/§eselect §8[§7RegionsTyp§8] §8[§7Extension§8] §8- §7Select a region type with or without extension
@@ -956,6 +1001,7 @@ PISTON_HELP_1=§7Right click on piston with a slime ball to calculate the moved
 PISTON_HELP_2=§7Count is red, if one unmoveable block is present.
 PISTON_HELP_3=§7Count is yellow, if too many blocks are present.
 PISTON_INFO=§7Moved Blocks {0}{1}§8/§712
+
 # Warp
 WARP_LOC_X=§7X§8: §e{0}
 WARP_LOC_Y=§7Y§8: §e{0}
@@ -971,7 +1017,7 @@ WARP_GUI_NAME=Warps
 WARP_GUI_NO=§cNo warps exist
 WARP_GUI_DISTANCE=§7Distance: §e{0} §7blocks
 WARP_GUI_LCLICK=§7Left click to teleport
-WARP_GUI_RCLICK=§7Rickt click to edit
+WARP_GUI_RCLICK=§7Right click to edit
 WARP_INFO_NAME=§7Name: §e{0}
 WARP_HELP_ADD=§8/§ewarp add §8[§7name§8] §8- §7Create a new warp
 WARP_HELP_TELEPORT=§8/§ewarp §8[§7name§8] §8- §7Teleport to a warp
@@ -983,18 +1029,23 @@ WARP_HELP_LIST=§8/§ewarp list §8- §7List all warps
 STOP_HELP=§8/§estop §8- §7Stops the server
 STOP_MESSAGE=§eServer is stopping
 KICKALL_HELP=§8/§ekickall §8- §7Kick all players from the server except the owner
+
 # Techhider
 TECHHIDER_HELP=§8/§etechhider §8- §7Toggle Techhider
 TECHHIDER_GLOBAL=§cNo techhider in global region
 TECHHIDER_ON=§aTechhider activated
 TECHHIDER_OFF=§cTechhider deactivated
+
 # XRAY
 XRAY_HELP=§8/§exray §8- §7Toggle Xray
 XRAY_GLOBAL=§cNo xray in global region
 XRAY_ON=§aXray activated
 XRAY_OFF=§cXray deactivated
+
+
 # WorldEdit
 COLORREPLACE_HELP=§8//§ecolorreplace §8[§7color§8] §8[§7color§8] §8- §7Replace all blocks of one color with another
-TYPEREPLACE_HELP=§8//§etyreplace §8[§7type§8] §8[§7type§8] §8- §7Replace all blocks of one type with another
+TYPEREPLACE_HELP=§8//§etypereplace §8[§7type§8] §8[§7type§8] §8- §7Replace all blocks of one type with another
+
 # Schematic
 SCHEMATIC_GUI_ITEM=§eSchematics
diff --git a/BauSystem_Main/src/de/steamwar/bausystem/features/tracer/rendering/TraceEntity.java b/BauSystem_Main/src/de/steamwar/bausystem/features/tracer/rendering/TraceEntity.java
index dc056a2e..fbc8538a 100644
--- a/BauSystem_Main/src/de/steamwar/bausystem/features/tracer/rendering/TraceEntity.java
+++ b/BauSystem_Main/src/de/steamwar/bausystem/features/tracer/rendering/TraceEntity.java
@@ -60,11 +60,11 @@ public class TraceEntity extends REntity {
 
     public TraceEntity(REntityServer server, Location location, boolean isExplosion, List<TNTPoint> records, Trace trace) {
         super(server, EntityType.FALLING_BLOCK, location, BlockIds.impl.materialToId(isExplosion ? Material.RED_STAINED_GLASS : Material.TNT) >> (Core.getVersion() <= 12 ? 4 : 0));
-        setNoGravity(true);
         this.records = records;
-        uniqueTntIdsString = records.stream().map(TNTPoint::getTntId).distinct().map(Object::toString).collect(Collectors.joining(" "));
         this.trace = trace;
+        uniqueTntIdsString = records.stream().map(TNTPoint::getTntId).distinct().map(Object::toString).collect(Collectors.joining(" "));
         addEntityMethod.invoke(server, this);
+        setNoGravity(true);
     }
 
     /**