Yeah, doesn’t do that much damage.
Let me point out that you were being attacked by a thief as well as an elementalist, warrior and mesmer, the latter two having impressive might and vulnerability stacking capabilities.
No, you cannot purchase ascended gear with fractal tokens. You use them to buy Gift of Ascension, which is used for crafting and infusing ascended back slot items in the mystic forge.
Note, to craft these items, you require a Vial of Condensed Mist Essence, which so far only drops in fractals.
Ascended rings, which are the only other ascended items currently available, drop from the daily chest in fractals difficulty 10 or higher.
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