Maelstrom stacks are gained when other enemies hit you, and not just when you hit enemies

WoW Classic Season of Discovery
1

https://www.reddit.com/r/classicwow/comments/1aq99j6/you_gain_maelstrom_stacks_when_you_are_hit/

2 Likes
2

There’s no way they’re going to be able to properly balance the proc rate for enh dps if they also need to balance this around enh tanking.