Not my text and havent gotten into savage yet (blames the tank that forgot to renew sub before raid ) but think the text and the 2 links below it give an idea. Cant help on Hummelfaust but assume its a harsh DPS check.

https://www.reddit.com/r/ffxiv/comme...ifferent_povs/

http://ffxiv.2digitalgames.de/ might help as well to give you an idea which DPS you need to meet (hit them dummies).

Good Luck