Sister of Silence Eris:
You are truly skilled to defeat the Guardians of Relics... I am impressed. Now go inside the Seal of Saintess and find your way to Solina's casket room. Use the central teleport device.
To see the Holy Treasure of Solina, you will have to battle the Last Guardians, the protectors of Solina's tomb.
This is the final moment before the Answer of Truth. Everything you've done comes down to this one moment. Good luck...
Enter again to the Casket Room of Saintess.