A spear fires out of the low ceiling above!

Trap: When the trap is triggered a spear fires out of the low ceiling straight at the PC opening the chest.

Perception

♦ DC 20: The character notices the disguised hole in the ceiling through which the spear is fired.

♦ DC 25: The character notices the acid burn marks in the square targeted by the trap.

Trigger

The trap attacks when a character enters the square before the chest.

Attack

Immediate Reaction - Melee 1
Target: The creature entering the target square.
Attack: +10 vs. AC
Hit: 3d6 + 5 damage, and the target is immobilised and takes ongoing 5 acid damage (save ends both).

Countermeasures

♦ An adjacent character can disable the caustic spear trap with a DC 23 Thievery check.

♦ A DC 20 Dungeoneering check grants the party a +2 bonus to Thievery checks to delay or disable the trap.

♦ An adjacent character can assist an ally immobilized by the trap as a standard action with a DC 15 Strength check, granting the victim a +2 bonus to his saving throw against the trap.