The final remixed combo for Son of Wonder is
❈⟳⟳⟳❈❈✚❈⟳❈✚⟳❈⟳🗡 (MRRRMMHMRMHRMRA)
As with the previous Dark Ring games,
The letters are converted to numbers (A = 1, Z = 26), and then written in base 3 (1 = 001, 26 = 222). In the original combos B=0, R=1, and A=2.
For this installment
The combos for the boss fights are coded as the consonants of the full name (Bacon of the Deep=BCNFTHDP, Son of Wonder=SNFWNDR)
With the letters to be converted to the original combo, it is time to translate to the remixed combo using the rules provided.
SNFWNDR => 201 112 020 212 112 011 200 => ABR RRA BAB ARA RRA BRR ABB => Replace all B's with Rs => ARR RRA RAR ARA RRA RRR ARR => Replace AR with M's => MRRRMMMMRMRRMR => Sub in H's for every 4th M and every 5th R => MRRRMMHMRMHRMR => Since it does not end in an attack action, add on an A => MRRRMMHMRMHRMRA