Threatening Thrull

As the Threatening Thrull follows you:
Roll 1d6 to use your Trap.
Roll 1-2, your Trap misses and it is lost.
Roll 3-4, IF you have Fire the Trap succeeds and you successfully get past the Thrull with your Fire.
If you do not have Fire, GO to DUNGEON
Roll 5-6, you keep your Trap.
IF SUCCESS, GAIN TREASURE.
ELSE GO to DUNGEON