Volundr forge is the first forge you head out to throug the first quest given to you from ada-1. Its located in the Smidur´s cavern in the EDZ. The enemies at hand is cabal
The goal in this 3 stack activity is to take out certain enemies shimmering in a blue color. these will drop a battery that you throw into the forge to charge it and progress. there is three waves when the last part is to take out the boss
one more goal in the forge is to take down two drones (simular to the saboture drones) that spawns in at the second wave. one is located at the stone pillar at the water on the left side (if you come from the entrence) and the second is spwn in the cave (on the rigth side from the entrence). they despawn after some time and is gone before the third wave starts. taking down these drones provides with the maximum temper perk that provide more and better loot. in the mystery box quest you need to take out these drones in every forge.