Mercenary: Demon of the Skies

 is a challenge in Risk of Rain 2. It is completed as by not touching the ground for 30 seconds.

Tips

 * Jumping from a high enough point and using, and  as soon as they become available can be enough to complete this challenge.
 * Items like, , and can help the player stay in the air longer.
 * Floating in the air currents on easily completes the challenge.
 * Standing on a monster, even a, counts as touching the ground and will reset the timer.
 * Having a reduces the cooldown of Whirlwind to 0.5 seconds, allowing the player to repeatedly use it and stay in the air.