versed scarab
You've completed that site of power. from the reward you got at the bottom of the dungeon in the crystal capsule thing, each site of power unlocks you a card that then you can craft and throw into the portal and unlock a stronger realm and more blueprints/enemies.
read the quest you have. from completeing the antiquarian site of power you unlocked the antiquarian card, now you have to go and craft a antiquarian card + forst biome, throw it into the portal and you're allg.