[Fire Emblem Heroes] Elise & Leo BHB Infernal (YTiki Damage Solo)

True soloing isn't possible without more merges, so here's the next best thing.
Build
YTiki +1 (❤️ Anna) | +Def -HP | Lightning Breath+ (Res) | Smite | Aether | Steady Breath | Cancel Affinity 3 | Threaten Atk 3 | Quick Riposte 3
Strategy
Buff YTiki with Hone Dragons from Myrhh and Rally Spd/Def, Res Tactics, and Ally support from Anna. Split the Blue Lance Cav away from Leo using S!YTiki.