IF
  Global("F_SpawnMedusas","MYAREA",0)
THEN
  RESPONSE #100
  	SetGlobal("F_SpawnMedusas","MYAREA",1)
    CreateCreature("F_MEDUSA",[3428.511],0)
    CreateCreature("F_MEDUSA",[3458.525],0)
    CreateCreature("F_MEDUSA",[3438.602],0)
    CreateCreature("F_MEDUSA",[2128.581],0)
    CreateCreature("F_MEDUSA",[2009.890],0)
    CreateCreature("F_MEDUSA",[2440.456],0)
    SmallWait(1)
    Continue()
END