Complex sentence: A.B.A is a rather striking character, as she has a key lodged through her skull and is wrapped in bloody bandages and uses blood packs to transform into a "Double-Edged Mode".
Split into simpler sentences: A.B.A is a rather striking character, as she has a key lodged through her skull and is wrapped in bloody bandages. She uses blood transfusion packs to transform into a "Double-Edged Mode".