How to defeat Sentient Monolith

Sentient Monolith is a high tier Encounter located in the Runic Tundra.

[@VenomHEDGEHOG]

Thanks foe the info altough is it me or the monolith heals?

[@FortuneTellher]

Boss enemies with HP scaling periodically recalculate their HP. The amount of hp fluctuates as players join and leave the realm, but the % of hp remaining never changes due to scaling.