것조차

even

→ 것
phrase Rare #26,701
even 것 nominalizes an action or clause, and 조차 adds emphasis, often highlighting something surprising or difficult.
KO: 그 사실을 아는 것조차 어려웠어요.
EN: Even knowing that fact was difficult.

전 괴물이 있었다는 것 조차 몰라요

I don't even know that there was a monster.

— 빅 식 (2017)