The moon illuminates hexes, Shielding units placed in them at the start of combat. Umbral units in illuminated hexes execute low Health enemies.(2) 200 Shield; 10% Health execute
(4) 500 Shield; 18% Health execute. More hexes are illuminated
(6) 1000 Shield; 20% Health execute. Illuminate the whole board
(9) Executed enemies have a 100% chance to drop loot; 45% Health execute