Infernal Cavern

Bloon Encounters	Infernal (Boss Battle - Blastapopoulos)
Loot chests	1× Bananite Chest ( 1,500)
Bananite crystals	9 ( 1,350)
Campfire	No
Fishing Spot	No
Connected to	Sulfur Springs

Infernal Cavern is an optional underground sub-area in the Frontier Legends DLC for Bloons TD 6. It is a cavern located in Sulfur Springs that is filled with lava, Bananite crystals, and many Roaming Bloons. Blastapopoulos can be found in the innermost part of the cave.

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Areas in Frontier Legends

Main Areas	Ancient Forest • Boulder Falls • Boulder Rapids • The Coast • Frozen Peak • Furlong Fields • Glacial Trail • Great Oak Village • Lost Coast • Muddy Passage • Sanctuary Overlook • Sandytown • Spice Islands • Sulfur Springs • The Sunken Columns • Sunken Desert • Sunset Gulch • The Swamp • The Temple • Windy Pass
Sub-areas	Abandoned Settlement • Alpine Run • Crypts • Dark Dungeons • Geared • Infernal Cavern • Inner Temple • Lost Crevasse • Luminous Cove • Midnight Mansion Basement • Mountain's End • Mountain Village • Ridgefall • The Sanctuary • Sodden Field • Temple Overlook • Town Sinkhole • Underground Cave • Wagon's Way • Water's Junction