Their WoW Classic racial abilities include Cannibalize, which allows the player to regain 35% of their health by consuming a corpse using a channeled spell over 10 seconds (mostly useful when ...

To be fair, this is a major part of the appeal of WoW Classic. Vanilla WoW is a more sedate, simpler MMO, and for some, the focus on leveling over endgame will be the primary reason to play Classic.