Bender:
   type: assignment
   Interact Scripts:
   - 1 NPC_Bender
 NPC_Bender:
   type: interact
   actions:
     on assignment:
     - trigger name:damage state:true
   steps:
     1:
       click trigger:
         script:
         - define %bender_type% <npc.flag[fire]>
 #                                        ^^^
 #                     Make sure you set this flag somewhere
 #
         - if %bender_type% == fire {
           - define blocks li@m@netherrack|m@fire|m@lava
 #                                           ^^^
 #                                      Blocks to bend
           } else if %bender_type% == water {
 # etc
           } else if %bender_type% == earth {
 # etc
           } else if %bender_type% == air {
 # etc
           }
-        - define lift_blocks <npc.location.find.blocks[<def[blocks]>].within[70]>
+        - define lift_blocks <npc.location.find.blocks[%blocks%].within[70]>
 #                                                                           ^^^
 #                                                                      set the range
         - flag <npc> remaining_blocks:|:%lift_blocks%
         - run s@BenderBlocks as:<npc>
 
 BenderBlocks:
   type: task
   script:
   - if <npc.flag[remaining_blocks].as_list.size> > 0 {
     - define location <npc.flag[remaining_blocks].as_list.random>
     - define block <%location%.material.id>
     - modifyblock %location% m@air
     - spawn e@falling_block,%block%[velocity=<npc.location.simple.add[0,2,0]>] %location% save:%location%_block
     - push <entry[%location%_block].spawned_entities> destination:<npc.location.simple.add[0,2,0]> speed:0.1
     - flag <npc> remaining_blocks:<-:%location%
     - wait d@1.5s
     - run s@BenderBlocks as:<npc>
     }