Here is the full list of all 7 Remnants Of Isolation achievements.
Command the power of all elements.
Through the sacrifice of your partner, you can finally walk free.
Seal away the castle at the cost of eternal loneliness.
Keep the promise to Celesta.
Leave the castle hand in hand under 1:30 hours.
Uncover all traces of humanity that once walked these nightmarish halls.
Hone your powers to unmatched levels.