Aura support hero applying buff to a non-aura hero, or I'm wrong and yfeir is an aura hero.
#aura or radiant hero?
blissful yoke
And from my tests, this buff did not help the hero who was receiving the buff.
Dear Traveler, thank you for your patience. I'll forward your case to our dev team and they will do their best to work on your case. I'll get back to you as soon as the result comes back.