Pink flamingo
After getting a sword that can berak walls, get to the Garden Hall (Present). Beign at the middle passageway at the really top of the hall. Wall run to the rope, then wall run to the central platform.
Turn to the left and walk through the rubble that should be in frnto of you. Turn around and hold onto the pltaform you were just standing on.
Then, jump across the gap to the next plaftorm. To your left is a second platform with a switch. Once there, use the switch then go back to the paltform you ewre just on. Climb on the block this is right now here, then do a vertical wall run and jump to get to the beam aobve. Walk along the beam to the right then jump to the ledge on the far wall.
Floolw the ledge until you find an alcove. Drop down into the alcove and use your sword to braek the rear wall on the right side. The pink flamingo weapon is hidden in teh wepaon rack. One hit from it can knokc anything excpet Bosses to the ground.