Heroic Immerseus, Quick help please

[Hyperfly]

I took the most damage from Sha Splash on some attempts. I watched the Gabestah videos but it doesn't really talk about it. What am I doing wrong or what do I need to do? Thanks!

[Odina]

You know when he transitions over and there is puddles all over the ground? If when they get sucked into him they cross your path it's the exact same thing as if you were standing in them. Thus if at transition you were having the puddles run through you this will increase your splash dmg. Another culprit can be standing in one of the "water streams" and not being able to see that you are standing in a puddle.

[Hyperfly]

OMG! I was over the water stream every time, every attempt! DOH! Also ill make sure to dodge the pools when he's sucking them in as well as moving better from puddles. Thank you!

[Deja Thoris]

Get an addon like bigwigs or gtfo that make rude noises when you are standing in bad.