Blue crystal

I played the latest version, using a human hero, and after five months, I finally reached the Guardians, only to fail again. I've tried everything (dark magic, spellcasting, cunning, etc., and thankfully, a mentor was nearby), but I couldn't defeat a single one. They have insane initiative, resistance to dark magic (subordination, berserk, dispel, and slow effects barely work on them), plus a ton of hit points. At the beginning, there's no bonus (although it supposedly shows +3 attack, but that's not true). The tree and artifact on the right, leading to the Necropolis, remained inaccessible. The enemies fight each other and keep coming endlessly (unlike the first version), which is good. The portals in the dead ends have noticeably enlivened the game and eliminated the need for the church. It would be nice to have a library at the end. However, the final stage still can't be completed fairly, even though it was claimed that the map was tested. And in general, isn't it too much for the finale – 4 monsters? Maybe it would be enough to defeat just one? Although, maybe it's just my problem. Wishing you creative success.