What does it cost to return a level 300 hero?

Level 300 heroes will lose gold coins, green medicine, and six stars when returning.

Hero return return rules: Return to ten-star heroes: Nine-star puppets of the corresponding camp*2 + Five-star heroes (body)*5 Return to first-level empowered heroes: Nine-star puppets of the corresponding camp*3 + Five-star heroes (main body)*6 fall back to second-level empowered heroes: nine-star puppets of the corresponding camp*4 + five-star heroes (main body)*7 fall back to third-level empowered heroes: nine-star puppets of the corresponding camp*4 + five-star heroes (main body) *7 + Ten-star puppet of the corresponding camp*1.