Devil May Cry 4 Special Edition

Mission 4 on Legendary Dark Knight mode. On Mission 4 in the small room with the single gyro blade (the same room as the secret mission where you had to increase your style rank without attacking). There are so many enemies in here that a fully charged gyro blade sent anywhere in the room should easily net you the achievement.

The best way to get the achievement is in mission 2 on Legendary Dark Knight mode with Trish/Lady. You need a ready Devil Trigger before you get in the warehouse from the bridge control. If you are in the warehaouse from the bridge control pull all enemys toghter and use the Devil Trigger.

Her is a Video to see it works:


i hope the guide help a lot.

There is a very cheap way to unlock this achievement with any character.
Mission 2 on Legendary Dark Knight mode. Wait until all the enemies at the first section of the level appear and use a Holy Water.

Hay una manera muy barata de desbloquear este logro con cualquier personaje.
Misión 2 en el modo de Caballero Oscuro Legendario. Espera a que aparezcan todos los enemigos en la primera parte del nivel y utiliza un Agua Bendita.