In life he had the powers of the Frost Frost Fruit the Shimo Shimo no Mi. This was a paramecia class devil fruit that allowed the user to generate auras of supercold temepratures. Much like a thematic and functional counterpoint to the Atsu Atsu no Mi of Don Acchino. But unlike the Atsu Atsu no Mi which cannot manifest anything other than literal heat the Shimo Shimo no Mi could gathre water molecules in the air, land, and sea and generate ice. In Zero's earlier days he believed this made him invincible and so he heavily relied on the powers of his Shimo Shimo no Mi. After his defeat at the hands of the Vice Admiral he realized this was a folly and so for two years trained his Shimo Shimo no Mi so as not to rely so heavily upon it. He learned eventually how to master it perfectly. In doing