Spike Launcher
HAZARD 0 +9
A jagged spike of metal shoots from a hidden launcher.
DC 16 Thievery to disable one of the four launchers or DC 12 Acrobatics to step over a trip line (this doesn't disarm the trap, but avoids triggering it)
AC 16; Fort +9, Ref +3
Hardness 3, HP 16 (BT 8); Immunities critical hits, precision
Spike
A creature crosses one of the trip lines
A spike launches along the trip line's path against the triggering creature, making a ranged Strike.
Melee Spike +11, Damage 2d6+3 piercing
Pathfinder #163: Ruins of GauntlightOGL