I'll Sacrifice Myself for You

 restores SP of one's partner by consuming 10% of one's total SP amount. Partner must have at least 10% of his SP in order to cast this skill.

On iRO, this skill is localized as Undying Love.

Patches

 * Patch (2016 Jan. 20)
 * [I'll Sacrifice Myself for You] skill is modified. If the caster's available SP is lower than 15%, the skill fails. Previous requirements for both skills was 10% HP/SP respectively.