Gorag's Opus

 is an equipment in Risk of Rain 2. It gives the buff to all allies (including drones and turrets) for 7 seconds, giving them 50% increased movement speed and 100% increased attack speed.

Tips

 * Pair the Opus with the to get even more attack speed when activating it.
 * Since a bonus to attack and move speed is virtually always welcome, obtaining a removes the need to micro-manage the equipment and also grants greatly reduced cooldown.