Fly

A fly speed allows you to move through the air in any direction, unaffected by gravity. You can ascend, descend, hover in place, and change direction freely. There is no maximum altitude for flight (unlike levitation).

While flying, you are not affected by difficult terrain on the ground below you. You can fly over obstacles, pits, and other hazards without interacting with them.

If you are knocked prone while flying, you fall unless you can hover. If you can hover (most magical fly speeds allow this), being knocked prone causes you to drop 1 square but you can resume flight on your next turn. If you cannot hover (e.g. wing-based flight requiring forward momentum), you must move at least half your fly speed each turn or you fall.

If you become unconscious while flying, you fall immediately and take falling damage as normal. Some effects that grant flight specify slow fall on unconsciousness — check the specific ability.

Flying provokes opportunity attacks as normal when leaving a threatened square, including vertically adjacent squares for creatures with reach.