I’m currently doing the Holon Quest and just reached Holon Marsh with a Lvl 120 team (i thank Gentleman Dun for that). I encountered a Delta Tentacool at Lvl 120 but according to my knowledge (wiki), Tentacool evolves at Lvl 30. What can I do to evolve it? I’m aiming to get complete Pokedex+Shiny Ch…

Insurgence has only gen 6 mechanics, excluding some breeding mechanics which are from gen 5 I think, and Complete Zygarde, which of course is from gen 7