As you spend 1 minute, you can create a vial of clear liquid that that has clouds suspended in it. A creature can drink the contents as an action to assume a gaseous form for the duration, appearing as wisps of cloud. While in this cloud form, a creature has a flying speed of 90 meters and has resistance to damage from nonmagical attacks. The only actions a creature can take in this form are the Dash action or to revert to its normal form. Reverting takes 1 minute, during which time a creature is incapacitated and can’t move. Until the effect ends, a creature can revert to cloud form, which also requires the 1-minute transformation.
If a creature is in cloud form and flying when the effect ends, the creature descends 18 meters per round for 1 minute until it lands, which it does safely. If it can’t land after 1 minute, the creature falls the remaining distance.