FREESLOT
MT_NEGATHOK
S_NEGTHOK
SPR_NTHK

Thing MT_NEGATHOK
Mapthingnum = -1
Spawnstate = S_NEGTHOK
Spawnhealth = 1
Radius = 32*FRACUNIT
Height = 64*FRACUNIT
Flags = MF_NOBLOCKMAP|MF_NOCLIP|MF_NOCLIPHEIGHT|MF_NOGRAVITY|MF_SCENERY

Frame S_NEGTHOK
Spritename = NTHK
Spriteframe = A|TR_TRANS60
Duration = 8