Do not put remembrances of major bosses on that pedestal in hub.
They can be exchanged for some extremely valuable loot.
Especially remembrance of fear and remembrance of Shiva.
Remembrance of fear can be used on those temporary save spots where you do fetus deletus. It gives you option what you want to upgrade, take endurance and you will get +10 agility(!).
And remerance of Shiva gives you extremely powerful amulet if you give it to pyromancer in hub area.