Here is a guide on how to get all new achievements in the latest Forgotten World update.
Note: This is a free update that will be downloaded automatically for anyone owning Monster Sanctuary.
Forgotten World Update
7 achievements were added along with the Forgotten World update.
The first 3 listed here are story-related and cannot be missed.
Tread where no Keeper has gone beforeThe entrance is located in the SW section of Horizon Beach and NE of the Legendary Keeper statue room. The achievement pops as you fall into the Forgotten World.
Frozen in Time
Free the Wanderer from their icy prison
But that’s a tale for another time…
Restore the World Tree and learn about the true form of your Spectral Familiar
Fully equip a Bard with instruments
Simply equip the Bard (which you receive as you progress the story) with instruments for all slots.
(Looks like you don’t need the actual Bard egg. Thanks to VahidSlayerOfAll for the clarification.)
Reach max level with a Monster
Gained via normal progression upon reaching level 42 with any monster.
Unlock all alternative outfits
The Forgotten World DLC introduced 1 new outfit (Dungeon Explorer). It is located in the same room as the Stronghold Dungeon Blob Lock (on the top left corner hidden in the shadows). You will need to activate an ice orb to open the gate to the outfit. (credit: u/CptPhnx)
Defeat all Legendary Keeper Battles
10 new Legendary Keeper battles were added to commemorate awesome members of the Monster Sanctuary team/community. The top level of the statue area has the first 8 battles. The last 2 can be found on the edges of the middle platforms/level.
Head southeast from the Blue Caves teleport and search for a waterfall. (credit: u/Eilyssen)
- Monster Sanctuary: Shift Stone Locations (How to Farm)
- Monster Sanctuary: The 5-Star Champion Guide
- Monster Sanctuary: The Weapon/Accessory Guide
- Monster Sanctuary: Infinity Arena Level 200
- Monster Sanctuary: Material Drops Guide (Where to Farm Them Efficiently)