Zalmarath the Colossus Sword slash 1 Tap

Already dodge on far from the boss still get 1 tap on full hp on level 31 already farm this boss for 3 - 4 time now get all the attack still how is this attack but from 9 month ago still here ?!

on hardcore my character name TobeContinew maybe im lucky to get restore back to hardcore - -

like this video : https://www.youtube.com/watch?v=wHl8sc5h2ks
on 1:17 but im far and not so close to titan like this
current my stats is
Life : 574 ,ES : 175 ,Fire : 61% ,Cold : 31% Lightning : 18% ,Armour 56
,Phy reu 8%