The Cryo Regisvine is a mini-boss found East of Monstadt in Genshin Impact. This boss provides leveling up materials for Cryo characters like Kaeya. You can also farm this boss for Shivada slivers, fragments and chunks, which are the gems used mainly by Cryo vision characters.
Deals mostly cryo damage.
Weak against electro and fire.
Grounded and does not move around.
One phase fight, but at some damage intervals it goes into a weakened state.
Bring healers and shielders.
A quick explainer video below:
Video highlights
Found directly EAST of Monstadt.
Use xiangling (fire) and an electro character like Lisa.
Double fire or double electro characters are good as well.
Bonus of having double character in a team (double electro: more energy back in this case)
Just hack and slash till it dies and heal your characters as needed - Profit.