I’d say you can’t go wrong with either purple! I’d hold on yellow on the off chance you’d pick up Leo costume next month. Grazul is good and definitely makes Killhare better.
Jabber a beast prob best 5* purple in the game
But killhare is also awesome.
If it was me it be who I’d be putting emblems on.
Both different classes but if there another in monk or fighter in your rosta you rather put them on.
Both are great heroes and typically I would go with Jabber but Killhare bumped up a notch with the new vfast wars (and aside from titans I believe wars are the most important consideration for ascending heroes). Either way, you should and most likely will ascend both eventually.
