User blog comment:Omega64/Boosted Gear Sub-Species Ideas/@comment-87.2.71.229-20161114125249/@comment-29963364-20161114134023

Merging himself with his Sacred Gear is more like an [Abyss Side] Balance Breaker than a [Sub--Species]. Remember the form Tobio Ikuse took in vol.21?

That's what happens when a Sacred Gear user "fuses" with their Sacred Gear.