Built to dump his own Tremor Count onto an enemy, with no cap on how much Count that can be. The cost is that he needs 10 Count to do anything and takes at least two turns to get there. Skill 1 is weak until he reaches that threshold, and spending the Count leaves him bare. It is a clunky Tremor identity that other options do better.
How to play
Build Count with Fierce Assault and Steady, then use Gamble once at 10 or more to move the whole pile to the enemy. Expect a gap afterwards while you rebuild, and avoid relying on his first skill when Count is low. His passive only works at 10 or more Count, so Gamble and the passive pull against each other.