Baby Terapagos in-battle Showcase - Pokemon SV (2K)
Done using save modification for demonstrative purposes, since otherwise Terapagos will immediately change form upon entering the battle. As you can see, Terastallizing into Stellar with Baby Terapagos doesn't cause a strange delay/freeze effect the same way an illegal Tera Type would, which I showcased previously here: • Baby Terapagos Terastallizing into Ghost -...
See all mechanics tests here: • Pokemon SV Mechanics Testing and Research