Nope, Tiamat only works for normal attacks. Her ult is a spell.
It works for ults like Twitch's since it modifies his normal attack.
So it does work on projectiles then?
How is Sivir's bouncing glaives handled then? I figure that's not a spell but is the aoe damage only calculated on initial hit and not on subsequent?
tiamat also works on parrlay. Any other special attacks it works on?
I'd like to know too, what about second and third blow of Udyrs Tiger Stance?
How wide is the impact area?
What is the AE damage %?
It is stated in Udyr's stance if you read it, that on hit effects apply to the first hit only.
© 2014 Riot Games, Inc. All rights reserved. Riot Games, League of Legends and PvP.net are trademarks, services marks, or registered trademarks of Riot Games, Inc.