Sheena 5* +HP -ATK Build

The following are some skills available on my barracks, based on Builds already posted by others users/sites.

Killer Axe+
Pivot* (Learned)
Luna / MoonBow* / Glacies** / Ignis** / Escutcheon
Triangle Adept-2* / Fury-2** /
Wary Figther-3* / Renewal-2** / Quick Riposte-2
Hone ATK-3* / Threaten DEF-3

*1st Option
**2nd Option
Any suggestions??

I also have 2 4* Shenna with IV -DEF +RES and +SPD -DEF, any idea for units that requires her skills ?