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Water Sacks, also referred to as water fruits, are projectile items appearing in Donkey Kong Country: Tropical Freeze. They resemble gigantic berries, nearly the size of the Kongs. A Water Sack is plump and indigo-colored with darker spots on the skin and also sports a tiny receptacle on top of it, fenced with four leaves.
Water Sacks are encountered on the ground and in stacks, which respawn after use, so the players can use as many fruit as they need. Every Water Sack contains some water, necessary to extinguish fire. Water Sacks can be carried and thrown by the Kongs; after being thrown, they burst and release water on the target. This can be a small patch of burning grass or dirt or a burning portion of a vine. Water Sacks are also used as a weapon to defeat enemies: a notable example is the fiery enemies, Porcupals.
Water Sacks only appear on the Bright Savannah island, starting in the wildfire level Scorch 'n' Torch. They also appear in Rickety Rafters where the Kongs have to use projectiles, most often Water Sacks, on targets in order to trigger certain mechanisms.