Ad Infinitum II: Upper Bound

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Ad Infinitum II: Upper Bound is a Legendary Backpacks achievement that requires items from the Fractals of the Mists in combination with some specific tasks. This collection is the second step to obtain the second tier of the precursor, Upper Bound.


This achievement rewards items. Ad Infinitum II: Upper Bound Legendary Backpacks 6Achievement points
Collect all 11 fractal tier 2 components.Unlock all 11 fractal tier 2 components to work towards building the legendary fractal backpack.
Prerequisite: Ad Infinitum I: Finite Result
Unlock Item: Siege Masters Guide.pngTheory of the Upper Bound
Reward: Chest of Loyalty.pngProof: Upper Bound

Collected 1 Fractal Tier 2 Components 1Achievement points
Collected 5 Fractal Tier 2 Components 2Achievement points
Collected 11 Fractal Tier 2 Components 3Achievement points

Collection items[edit]

Collectible Type Subtype Notes


See also[edit]