The Psycho Krieg and the Fantastic Fustercluck Add-on for Borderlands 3 has 7 trophies - 2 bronze and 5 silver.
Open the gates to Vaulthalla.
Complete all side missions and crew challenges in Krieg's Mind.
Defeat Psychoreaver.
Defeat Dr. Benedict.
Defeat Locomöbius.
Defeat Evil Lilith.
Complete mission “Enter the Psychoscape”.