Exarch altar shutting off all ES Regen and Leech

I've encountered this twice now --

I engage the searing exarch alter in maps which provides Negative Armor and Evasion. For some reason, this is also shutting off all Energy Shield Regen and Leech, essentially bricking my build.

Is there some hidden rule that if my armor goes "negative" my leech and regen shut down completely? Before clicking the altar, everything was fine -- no map mods or anything related to Regen or Leech -- but after clicking the alter everything stops.

This is in T16 maps (Beach and Caldera) in the Necro Settlers League Event.

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Frosts11#4368 wrote:

Is there some hidden rule that if my armor goes "negative" my leech and regen shut down completely?

Not hidden, but easily forgotten.

Ghost Dance prevents ES recovery above your Evasion Rating. If your Evasion Rating becomes 0 due to the altar, then you won't be able to recover ES at all inside the map--unless a temporary non-percentage boost like a Jade Flask brings your Evasion Rating above 0 again.

Yes -- tested and confirmed with swapping haste for grace. The interaction makes sense, didn't realize "Recovery" affected both recharge and Leech. Usually those are treated separately, but I guess "recovery" is all encompassing!