Merlin's nesting dolls can be put together
Deposit Merlin Seal first, get MBTC, and Merlin points at the same time
Deposit the obtained MBTC into solv, get solvBTC, and get solv points at the same time
Deposit solvBTC into avalon, get avalon points
One BTC can get Merlin points, solv points and avalon points at the same time, one fish, three meals, so cool