Wise and skilled martial artist, Master Roshi has always been a fan favorite because of his amusing perverted old man nature.
Staying true to which, EX Master Roshi PUR gets some decent Buffs when paired with a Female Warriors, but that doesn't mean they want to be paired with him.
His Z-Ability Buffs a fairly rare Tag, but the release of SP Youth Bulma BLU does give it some utility.
Giving +40% Critical Damage to Teammates, his Main Ability is very effective when coupled with the 40% to Critical Rate he gets from his Unique Ability.
Lack of Tags
In addition to poor synergy, the absence of Tags generally ties in with lower-grade equips.
Held Strike Arts Cards
Being a Blast heavy Fighter and carrying two Strike Arts Cards never goes hand-in-hand. However, this can prove to be useful if there are Strike based Fighters present in the Team that carry Blast Arts Cards such as SP Android #18 YEL.
This is the Team he was destined for. While he's not exactly a good Support Fighter on his own, being paired with Female Warriors is where his (limited) potential truly shines.
Dragon Ball Saga
Being one of the few Fighters carrying a Dragon Ball Saga Z-Ability, he is an essential member of this Team. Hopefully, the future release of Tag Boosting Fighters will make them viable.
Deals major Impact damage. +20% to allies' "Kamehameha" and "Super Kamehameha" Special Move damage for 20 timer counts.
Unlock Ki: Form of Attack
One of the following effects will occur at random: +20% to own Strike Arts power for 20 timer counts +20% to own Blast Arts power for 20 timer counts +20% to own Special Move Arts power for 20 timer counts