Celerity

[Beguiled]

Level 39 enchanter spell
Celerity reads
Spell Effect: Grants your target quickened movement, increasing their attack speed for 0:16:00.

Currently it only lasts 13 minutes when cast.

I apologize if this has already been addressed.

[President]

This is likely one of those spells that increases as you level up.

[Ralexia]

I've noticed this spell expiring when the mouse over duration has 2-3 minutes left. I think this is the problem he is talking about.

[Beguiled]

actually my level 40 enchanter cast Celerity on himself and it only shows a time of 13 minutes

[Ropethunder]

I have 16 minutes at level 50.

[Omnimorph]

Make sure your spell files are up to date?

Lasts 16 minutes for me at 50.