Zealot passive and non-dying ult talent bugged

[hollerbach]

Related, or probably the same bug that has been reported multiple times since 2019:

Zealot passive heart of iron become invulnerable for 5 seconds on taking lethal damage is bugged as of patch 4.4.2

That is an old bug that has been left unfixed for years now. Has been reported multiple times (since 2019) too: Related: