Originally Posted by
roflcopter666
To add another little hydra trick to this thread, if you recast Hydra against a reflect pack, the damage puddles from your original hydra will stop reflecting damage to you. It is especially nice against packs you can get stuck (Whimsyshire Tree, etc.) or attack from a high ledge (On the way to Azmodan).
Same concept, but I didn't realize that about swapping to MF gear. Thanks, Zestro.
Edit: Funny enough, I guess the reflect trick was posted 3 hours ago in a different thread. My bad! Still nice to have all 3 hydra tricks/bugs/whatever in one thread though, I guess.