Legendary Backpack: Ad Infinitum

Legendary Backpack: Ad Infinitum is a Legendary Backpacks achievement that requires items from the Fractals of the Mists in combination with some specific tasks. This collection is the final step to obtain the Gift of Infinity, required to complete the legendary backpack, Ad Infinitum.

Achievement

Legendary Backpack: Ad Infinitum	Legendary Backpacks	6
Collect all 13 fractal tier 4 components.Unlock all 13 fractal tier 4 components to work towards building the legendary fractal backpack. Prerequisite: Ad Infinitum III: Unbound Unlock Item: Theory of Ad Infinitum Reward: Gift of Infinity Collection	Collected 1 Fractal Tier 4 Components	1
	Collected 5 Fractal Tier 4 Components	2
	Collected 13 Fractal Tier 4 Components	3

Collection items

	Collectible	Type	Subtype	Notes
1	Aetherblade Pirate Eye Patch	Item	Trophy	Purchased from BUY-2046 PFR in the Mistlock Observatory for 50 .
2	Aetherblade Airship Steering Wheel	Item	Trophy	Purchased from BUY-4373 in the Mistlock Observatory for 600  + 80 .
3	Underground Facility Challenge Mote	Item	Trophy	Activate the challenge mote, and complete the level (51-100) Underground Facility Fractal with an 80% reduction to healing.
4	Aetherblade Challenge Mote	Item	Trophy	Activate the challenge mote, and complete the level (51-100) Aetherblade Fractal with an 80% reduction to healing.
5	Mai Trin Timed Mote	Item	Trophy	Complete the level (76-100) Captain Mai Trin Boss Fractal in under 25 minutes.
6	Aetherblade Fractal Field Research Paper	Item	Trophy	Sold by a vendor in the Captain Mai Trin Boss Fractal for 1 .
7	Jungle Wurm Omelet (Mossman Style)	Item	Food	Obtain a Jungle Wurm Egg by defeating the Greater Nightmare Vine in Twilight Arbor. Bring it to the Mossman's hut in the Swampland Fractal.
8	Charged Archdiviner's Mallet	Item	Trophy	Take the Archdiviner's Mallet from his remains at the top of the Cliffside Fractal. Jump into the middle of the exploded Thaumanova Reactor in Metrica Province to charge it.
9	Explosive Magically Charged Infusion Sample	Item	Trophy	Charge a +10 Agony Infusion in the Mist Geyser in the Cliffside Fractal.
10	Aetherblade Diploma	Item	Trophy	[1] Sold by a vendor in the Captain Mai Trin Boss Fractal for 3 .
11	Lessons in Arbology	Item	Trophy	After defeating Captain Ashym, take a Gift of Wood to the Ascalonian woodcutter, located inside the Urban Battleground Fractal.
12	Lessons in Metallurgy	Item	Trophy	Take a Gift of Metal to the dredge weaponsmith's workbench located inside the Molten Furnace Fractal.
13	Theory of Ad Infinitum	Item	Consumable	Unlocks the collection Ad Infinitum.

Related achievements

• Legendary Backpacks: Ad Infinitum I: Finite Result — Collect all 11 fractal components. (6)
• Legendary Backpacks: Ad Infinitum II: Upper Bound — Collect all 11 fractal tier 2 components. (6)
• Legendary Backpacks: Ad Infinitum III: Unbound — Collect all 11 fractal tier 3 components. (6)

Notes

• ^[1] You will need 1 Ball of Dark Energy in addition to those gained from salvaging Upper Bound in order to purchase the Aetherblade Diploma. This can be obtained by salvaging the Fractal Capacitor (Infused) created in the previous collection or salvaging another (non-ring) Ascended item.
• Before unlocking, the achievement has the following instruction text: "To Unlock, Complete Ad Infinitum III, then talk to Kelvei in the Fractals of the Mists." Actually, you need to craft Unbound (which requires completing Ad Infinitum III) and then talk to Kelvei to unlock the collection.
• The fractal levels provided under "Acquisition" are the minimum levels that must be completed.