Like @Scott reported ages ago here: Warrior tilesets don't increase provoke healing
tilesets do not increase provoke healing(at least not the full 30% they should)
back in scotts post he only did pixel measurements, but now we have combat logs(Yay!) so we have some actual numbers to look at.
https://armory.orbus.xyz/#/combatviewer/0dfea5d4215374873c31f933c4043bbd
^^that is a test I did where I wen’t to lamavora and killed two tear brutes with nothing but provoke, the first kill is with 3 tilesets up throughout the whole fight and the second kill is without tilesets. the heal difference of around 1k is most likely from the extra affixes I had on the gear with tilesets.
Edit: I looked a bit in the combat log and the healing with the tilesets is bout 10% plus a little extra from the gear affixes, so it probably works to some extent, but not the full 30% it should be with 3 tilesets up.