How to Get Koshchei

Everything is mixed up in the enchanted forest!
The golden eggs have disappeared, the dragon is in depression, and the learned cat is in crisis. Baba Yaga is on a round-the-world trip, and her domain is claimed by both a young prince and Koshchei the Immortal. While the former merely intends to turn the enchanted forest into an elite resort, one must be more cautious with the dark neighbor.
And it's up to me, Vasilisa... No, not the Beautiful and not the Wise.
Vasilisa, acting as Baba Yaga.