Seems to be it’s Rank 30, and happens everytime without a crash report to post.
Rank 30: “At the start of its bearer’s turn, this relic Attacks enemies with Blind. These attacks deal 15% less damage for each enemy it Attacks with this effect.”
Team specs just in case.
========== CHARACTER ==========
CarnifeX the Animator (Ascended)
Game Version: 0.10.12
========== CREATURES ==========
Level 105 Animatus
Animatus / Death
Innate Trait: Brilliant Creation
This creature has 15% more Attack and Intelligence for each dead creature on your side, and 15% more Defense and Speed for each living creature on your side.
Level 105 Harpy Marauder
Harpy / Chaos
Innate Trait: Bad Omen
At the start of battle, this creature afflicts enemies with Blind.