Frontbeast Sergal is a sergal sub-species created by BNS arts , featuring since major anathomy changes are made , like the more "scalie" tail , absence of the "clitoral hood" , diffirent feet , as well as general more human-like anathomy structure.

Lore from BNS arts Twitter:

Mass Zoomorph Infantry - Walking Killer 02 Type M/Type FOne of the first attempts to create the 4th generation zoomorph , a completely new species called "sergal" was developed in the inner depths of the japanese "Vylouz Zaibatsu" as a part of NATO "FrontBeast" project in 1969.Designed as a completely ruthless killing machines , these zoomorphs are possessing great physical strength , that along with metal plate armor surgically planted under their skin , making them a formidable enemy.
But this is also being a major flaw , since the technology of placing cyber-implants with avoiding necrosis wasn't fully implemented at this moment yet , so they are staying in the state of near-permanent regeneration , that is needing the energy supply , best of which are devouring of human flesh.
As well as , for normal functioning , they need powerful painkiller drug injections , when the nerve signal blockers are off.First deployed at Vietnam in 1971 , they will shown good enough to keep em , despite after the widely infamous "Mai Thoi Massacre" incident , their use was very limited in this campaign.At the 1997 , MZI-WK02 "Frontbeast" and their modification MZI-WK05 "Protogen" are still the most mass produced zoomorph unit used by UNION DRAGON alliance , to which NATO has been reformed in 1984