Feral druids, for example, are all about managing two energy resources to cast abilities while applying bleeding over time effects on enemies.
For returning or current players, choosing a class comes with more consideration as you're more aware of how important subtle differences can be. Not all DPS classes are made equal. Feral druids, for example, are all about managing two energy resources to cast abilities while applying bleeding over time effects on enemies. Good feral druids have an internal clock that helps them remember when to refresh those bleed abilities.