Here is the full list of all 28 BEAUTIFUL DESOLATION achievements.
GENEROSITY
I LOVE YOU, DON.
POOCH REMAINS.
USE BOTH ITEMS IN THE ARRAY.
FREE NEST ONE.
SAVE THE MONGRELS.
ASSIST THE GRAND MAW.
UNLOCK THE AGNATES IN THE ARENA.
UNLOCK THE WITNESSES IN THE ARENA.
VENGEANCE IS MINE!
CLAIM THE MASK OF NEVROGORSES.
STYLE THE BUFFALO INTERIOR.
HELP THE MOSS
HELP THE NEST
SEND THE CHIZNYAMA HOME.
RED 2.0
INFECT THE DOCTOR.
ENTERTAIN SHONGOLOLO.
BYE, BUDDY!
FREE THE HANASI.
THIS LOOKS FAMILIAR...
COLLECT THE ANACHRONOUS SKETCHES.
POOCH EXPLORES THE WORLD.
GOODBYE, BRO.
COMPASSION.
SELFISH
WRATHFUL
INTO THE ETERNAL DARKNESS, INTO FIRE AND INTO ICE…