A spike trap can be built in the trap hotspot of the dungeon in a player-owned house. It requires 72 Construction to make. When built, it earns the player 223 experience. When activated, the player takes 400-600 points of damage and jumps back. This could be fatal if many strong guardians are present.
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- patch 6 May 2009 (Update):
- Floor spike traps now have a bigger clickable area.