Arena - chalp sent unstoppable/indestructible

As the title says, playing arena when I was about to KO the opponent he decided he wanted to go unstoppable and indestructible.
2/3 of Mt fights did this, and it was random champs.

Here's the main concern: I know it's a mastery, but wtf mastery is it that causes that? I can't seem to find it! I thought maybe it was unfazed but I read it and unfazed is for evade, and I definitely didn't evade anything....

It's driving me insane that either I didn't read something right or just straight up can't find the mastery that causes this.

Comments

PantherusNZ

Who were the defenders - that sounds like either Knull or Heimdall's synergies kicking in.

Nightheart

As the title says, playing arena when I was about to KO the opponent he decided he wanted to go unstoppable and indestructible.
2/3 of Mt fights did this, and it was random champs.

Here's the main concern: I know it's a mastery, but wtf mastery is it that causes that? I can't seem to find it! I thought maybe it was unfazed but I read it and unfazed is for evade, and I definitely didn't evade anything....

It's driving me insane that either I didn't read something right or just straight up can't find the mastery that causes this.

Either its Heimdall Synergy or Knull

Magrailothos

There are about four champions who provide synergies that do this:

1 - Heimdall gives Indestructible/Unstoppable to the other champions
2 - Knull gives Indestructible to Symbiote champions
3 - Thor Ragnarok gives Indestructible to most versions of Hulk, some of whom can also go Unstoppable
4 - Dormammu's Dark Empowerment synergy gives various opponents a chance to revive, although not to go Indestructible/Unstoppable

MrSakuragi

Usually when this happens to me, Heimdall is on their team.

Rayven5220

I wish I remembered who the champs were that I fought now, dammit!

I never thought about synergies, I forgot those were a part of arena actually.

Thanks for the answers guys, at least I know I still know how to read after going through all the masteries and not seeing.
This also means I am not blind as well! Hahaha

Rayven5220

I also need to start proof reading my titles before I post them I just noticed..... jfc