Light bonfire flame.

Grasped the inner mysteries of any combat style

Encountered the Memorial Mob

Acquired the Shinobi Prosthetic

You called for support exactly when cooldown finished. (Training mode doesn't count)

Arcade - Complete the Snake Way Course.

Clear Mission 10 as Nero, Dante, or V.

Clear Mission 08 as Nero, Dante, or V.

Fend off a menace from above in Mission 05 as Nero, Dante, or V.

Destroy a certain wall in Mission 04 as Nero, Dante, or V.

Perform a Stylish Rank S combo.

Clear the Prologue Mission as Nero, Dante, or V.

Slayer of the Demon "Old Monk"