Dark Knight (Final Fantasy X-2)

Available as a Dressphere. In addition to Darkness and self-damaging skills, they use a number of status-inflicting spells like Bio and Death. Yuna weilds Tidus' Caladbolg and Rikku wields Auron's Masamune.

Arcana
NB! Abilities written in bold/italic are passive abilites. All other abilities are active