Kekkei Genkai (Ash)

Kekkei Genkai (血継限界, Bloodline Limit; used to refer to "[a technique] limited to bloodline inheritance") are unique abilities passed down genetically among, and are widely considered to be the reasoning for the development of the system. Several form of Kekkei Genkai exist, including the creation of elements outside of standard, abilities that influence bodily structure, and highly specialized.