Power Construct
Cells aid it when weakened.
6 species 6 as main 0 as innate 10 battle AI weight, −2 to 10
In detail
Power Construct transforms Zygarde 50% or 10% forms into Complete form when HP drops to 50% or below at the end of any turn. Complete form has massive 216 HP (doubled from 108), making it an extremely bulky tank. The transformation is permanent for the battle and cannot be suppressed.
Types that carry it
6 species Dragon 6 Ground 6