Diablo 4 Season 15 Hell's Legacy keeps revealing secrets

Diablo 4's Hell's Legacy season added new dungeons, bosses and items from earlier games, along with a trove of secrets. Players have already found the cow level boss Moophisto, the fishing boss Mefishto, Whimsyshire and the Echo of the Horadrim fight, while several puzzles remain unsolved.

• Season 15 launched two weeks ago with dungeons, bosses and items from older Diablo games
• Players unlocked the cow level boss Moophisto and the secret fishing boss Mefishto
• Whimsyshire, Old Tristram with Diablo 1 NPCs and the Echo of the Horadrim fight were found
• Unresolved secrets include Bovine armor, the Horadric Coin and a Stone of Jordan quest