Characters have several passive ability trees they can choose from. (zeboyd.com)
It becomes a fun ability tree type puzzle as you decide which powers to turn on / off in order to maintain your body's stability. (heavy.com)
Levelling up is relatively fast bringing in a bounty of attribute points that allow Vulcan to upgrade a trifecta of ability trees to mastering the ways of the warrior, the assassin or sorceror. (gamestm.co.uk)