(Needs work.) Uses (3 gems). Limit 3 gems on Spike.

Exhaust Spike: Take an action as if you were at your location or a connecting location: For each skill test performed during that action, treat your skill value as the number of gems on Spike. After this action resolves, remove 1 gem from Spike.

Exhaust Spike: Remove all gems from Spike: Move up to 3 of your resources to Spike as gems.