Defeat the indicated characters in Hero mode to unlock the masters for the corresponding body types.

All Body Sizes (Android #17 and Android 18): Defeat Androids #17 and #18.
All Body Sizes (Frieza, Cui and Trunks): Defeat Omega Shenron (first fight).
All Body Sizes (Majin Vegeta, Ultimate Gohan and Cell): Defeat Omega Shenron (second fight).
All Body Sizes (Piccolo, Raditz and Bardock): Defeat Piccolo.
All Body Sizes (Tien and Captain Ginyu): Defeat Captain Ginyu.
Heavy Hero (Legendary Super Saiyan Broly, Super Janemba and Super Vegito): Defeat Ultimate Shenron (Boss battle).
Light Hero (Goku, Vegeta and Teen Gohan): Defeat Great Ape Baby (Boss battle).
Light Hero (Super Gotenks, Super Gogeta and Super Vegito): Defeat Ultimate Shenron (Boss battle).
Standard and Heavy Hero (Goku, Vegeta and Nappa): Defeat Great Ape Baby (Boss battle).
Standard Hero (Super Janemba, Super Gogeta and Super Vegito): Defeat Ultimate Shenron (Boss battle).