Old Chateau

The Old Chateau 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 853,000 HP.

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