>>534557676
You're gonna want Arcane Truthfire immediately
>Special: Magic Light, Ice Wall, Flare
>A skill: Sly Swift Sparrow / Perfect Atk/Spd
>B skill: S/R Lull Finish / Resonance
>C skill: Pulse On: Blades / Time Pulse Edge
>X skill: Sly / Tempo / Time's Pulse depending on the build

The Res heavy debuff build would be Crystalline Water, Atk/Res or Spd/Res Havoc, whatever Ploy skill or Pulse Up: Ploy, Sly Echo for the auto follow up, and Still Water 3 seal

>>534558790
Read Eirika's ring again
>(triggers only when unit's Range = 1; does not trigger when equipped with an area-of-effect Special).