Dark Souls II's HundoDex

Brightstone Key

Opens the locked door in the Tseldora spider chapel.

  • Category: Key Items – Key

Where to find it

Dropped by Duke Tseldora in the Lord's Private Chamber after Freja.

Area: Brightstone Cove Tseldora

Walkthrough steps

  • Brightstone Cove Tseldora: Pull the right lever and beat the red phantom for Homeward Bones, then the left lever and the foe behind it; the locked right door needs the Brightstone Key
  • Brightstone Cove Tseldora: Touch the red light to absorb the great soul, then kill the Duke in the library for the Brightstone Key, a Fragrant Branch of Yore and the Dark Quartz Ring+1
  • Brightstone Cove Tseldora: Use the Brightstone Key on the spider room door (ambush) for the Black Knight Ultra Greatsword, Great Fireball and a Fire Seed