Rune of Jera
Next upComplete High Brow (challenge #2).
Start High Brow from the Challenges menu and defeat Mom.
Each challenge has its own starting items and rules. The wiki page for the challenge has tips.
Sources:AchievementsChallengesHigh Brow
Achievement
Complete High Brow (challenge #2).
In-game: “Unlocked a new item.”
Sources:AchievementsChallengesHigh Brow
Complete High Brow (challenge #2).
Start High Brow from the Challenges menu and defeat Mom.
Each challenge has its own starting items and rules. The wiki page for the challenge has tips.
Sources:AchievementsChallengesHigh Brow