You’ll need to obtain the Crystal Heart to access the location. Acquire the Monarch Wings in the Ancient Basin after completing the Broken Vessel fight.However, you’ll first need to complete a couple of missions. On the other hand, the Grey Prince Zote can be found in Bretta’s house. The boss is in the Ground Pound, right below the platform near the fluid tank. You can find the White Defender in the Secret Room after making your way through the Dung Defender Arena.
