So, for swapping to Harrier's stats, you would need 1 Insignia of the Harrier (rather than Zehtuka's Harrier's Insignia), 1 Anthology of Heroes (10 Spirit Shards), 5 Globs of Ectoplasm, and 1 piece of ascended armor. Throw in the mystic forge and you have a piece of ascended Zehtuka's Harrier Armor. 3.
That said, exotic can be acquired very easily, and cheaply on the trading post. Exotic is only 5% behind ascended gear, so its fine for everything except the high end fractals (thanks to the stupid agony system). Guild Wars 2 is pretty skill based, so knowing how to play trump's the best gear every time. In this video, we learn How To Get Legendary Armor From GW2 WvW. We go over the process step by step and cover everything in details.This is one of the best Here is a link to the full text guide for those who prefer it:
\n guild wars 2 how to get ascended gear
Ascended equipment. For ascended Trailblazer's armor pieces see here. For ascended Trailblazer's weapons see here. For ascended Trailblazer's trinkets see here. For ascended Trailblazer's back items see here.
To infuse rings, for example, you throw the ring along with the 3 different types of FotM-exclusive ascended crafting mats (they only drop from fractals), always named xxx Mist Essence. This adds an "agony infusion" slot to the item, which you can then place one of the agony specific infusions into.
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guild wars 2 how to get ascended gear