Valley Windworks

The Valley Windworks is a dungeon in Sinnoh. It initially has 64 tiles arranged in an 8x8 square, including 8 chest tiles, 19 non-boss encounter tiles, and 1 boss encounter tile. Wild Encounters have 756,000 HP.

Boss Encounters
*Must have cleared Valley Windworks at least once to unlock Drifloon

Debuff Drop Table
After Reaching Alola, the drop chance for items in Sinnoh will be debuffed for any loot with weight < 2.