Trial of Chaos, Trialmaster's certain attack damage is insane

Title, I have around 4.5k EHP with chaos res at around 50%. But for some reason the blood-ground attack seems to be killing me in 2 hit. I have 3k ES and 1.5k HP, the first hit ate all my ES and I went into stun, immediately eating another blood-ground attack.

I don't remember that attack deal that much damage because I accidentally step on it a few times during 0.1 and still lived. I'm not sure but the ground damage effect seems to be overlapping each other and doing way much more damage than it should. Did anyone experience the same thing this league or it always has been like that since 0.1?