Shin Akuma is an
alternate, more powerful version of Akuma.
Story wise, Shin Akuma is merely Akuma using the full extent of his power,
compared to the "in-game" version which is Akuma voluntarily holding back
his power to avoid ending fights prematurely. Shin Akuma is Evil
Ryu's final boss in Street Fighter Alpha 3.
In the Capcom VS SNK
a different form of Shin Akuma appears. This form of Akuma achieves a new
level of power when a dying Rugal Bernstein pours
his Orochi power into him. In an alternate scenario, God
Rugal is created by merging with Shin Akuma. "Shin Akuma" literally
translates to "True