Mental Fortress

Mental Fortress is a Watcher uncommon power that grants 4 Block every time you change stances for 1 energy. Since the Watcher's core strategy revolves around transitioning between Calm, No Stance, and Wrath, Mental Fortress converts each stance change into free Block. A typical Calm-to-Wrath-to-Calm cycling turn involves 2-4 stance transitions, generating 8-16 Block passively on top of anything else you play. The more actively you cycle stances, the more free Block you receive.

Mental Fortress is an exceptional defensive power in Watcher builds that emphasize stance cycling. Even simple Calm-to-Wrath and back transitions provide 8 free Block. In builds with many stance-entry and exit cards, Mental Fortress can generate 12-20 Block per turn passively. It synergizes particularly well with Fear No Evil (conditional Calm entry from Wrath), Empty Body/Fist (Calm exit), and Crescendo/Tantrum (Wrath entry). Upgraded, Mental Fortress grants 6 Block per stance change instead of 4, making each transition significantly more defensive.