Acquire all of Nero's skills.

Destroy a certain wall in Mission 09 as Nero, Dante, or V.

Wield overwhelming power to exact an unexpected conclusion as Dante, Nero, or V.

Upgrade your Devil Trigger Gauge to max.

Clear all secret missions as Nero, Dante, or V.

Clear Mission 05 without V's demons getting stalemated. (Heaven or Hell excluded)

Proceed with caution and avoid unneeded damage in Mission 15 as Nero, Dante, or V.

Clear Mission 07 with both Nero and V.

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

Clear Missions 19 and 20 without continuing as Nero, Dante, or V. (Heaven or Hell excluded)

Clear Mission 18 as Nero, Dante, or V.

Go on the offensive in a roundabout way in the Mission 16 boss battle as Nero, Dante, or V.