All purpose [Rhino Prime] melee build.

How to use: Charge a decent size group of enemies to capitalize on armor for Iron Skin.

[Streamline] is added to help counter the negative effects of Blind Rage.

Primed Flow + Arcane energize is used since his abilities cost a small fortune of energy to cast with the -25% efficiency.

Everything else is to help build his armor and boost strength for his iron skin ability for survivability.

Arcane [Guardian] is optional, but it is nice when the proc happens for additional boost to Iron Skin.

Duration is still 100% with this build keeping the standard 30s for Roar, use for self/team buffing when Iron Skin doesn't need to be recast.

Empowered is used to replace Stomp to add a higher strength bonus to get even more of a multiplier from Iron Skin while having a more reasonable energy cost.

Also notice that [Iron Shrapnel] is at a rank 0, even though there are 3 extra points to spend allowing us to max this mod out. Leaving it at rank 0 and keeping the extra points in reserve will allow [Rhino] to start a mission at 65 energy, ensuring that you are able to get 1 cast of Iron Skin for survivability at the start of the mission.