Alter Gravity

Casting Alter Gravity allows the caster to double or halve the normal gravitational pull in a 30 foot cube of space.

If doubled; player/creatures walking speed halves. The player/creature also had disadvantage on any acrobatics, athletics, sleight of hand and stealth checks.

If halved; player/creatures walking speed doubles. The player/creature also had advantage on any acrobatics, athletics, sleight of hand and stealth checks.