One of the focus stones lies in a crypt beneath the Stone Circle, northwest of the New Camp. 
Diego is waiting at the ruins and joins you for the descent, but the tomb is full of the restless dead and its inner guardian must be put down before you can claim the stone.
- 1Travel to the Stone Circle and meet Diego, who explains why he is there and asks for your help against what waits below.
- 2Open the sealed crypt entrance, then head down with Diego and clear out the skeletons inside.
- 3Steer the undead onto Diego, who shrugs off their blows, while you deal the real damage. Use the magic Diego provides against the crypt's guardian to bring it down.
- 4Take the key from the guardian's remains, open the chest it locked, and claim the focus stone.
- 5Diego heads back to the Lighthouse. Carry the focus to
Saturas in the New Camp.