Plan: Flamer napalm tank is a weapon mod plan in Fallout 76. Containers in the Savage Divide, Ash Heap, The Mire and Cranberry Bog. Creatures in the Savage Divide, Ash Heap, the Mire and Cranberry Bog: Treasure maps in the Savage Divide, Ash Heap, the Mire and Cranberry Bog. Weapon plan world spawns in the Savage Divide, Ash Heap, the Mire and Cranberry Bog. The plan unlocks crafting of the napalm tank mod for the flamer at a weapons workbench.