A Hell Buzzard taking flight.
Fly is an ability used by the Vulture Demon class of monsters. They fly up into the air where they are immune to damage for a short period of time, after which, landing once again.
While in flight, the demonic birds can pass over some barriers such as cliffs and even the walls of a house.
This ability is similar to Burrow, only oppositely so.
Damaging Skills
Fire — Fire Arrow • Fireball • Fire Bolt • Fire Hit • Firestorm • Fire Wall • Flame Circle • Hydra • Incineration Nova • Inferno • Meteor
Ice — Arctic Blast • Blizzard • Cold Touch • Fire Hit (Cold) • Freezing Charge • Glacial Spike • Hoarfrost
Poison — Poison Bolt • Poison Breath • Poison Cloud • Poison Spit • Poison Spray • Poison Sting • Poison Strike
Lightning — Lightning • Lightning Arrow • Lightning Globe • Red Lightning Hose • Shocking Hit • Spark Defense
Physical — Bite • Blow Dart • Charge (Berserk Charge) • Corpse Cannon • Destructive Strike • Ground Tentacle • Leap • Javelin • Leech-life Ball • Pummel • Quill Dart • Slam • Spine Dart • Swipe
Magic — Bone Spirit • Hellish Projectile • Nova • Totem • Unholy Bolt
Non-damaging Skills
Indirect Attack — Blood Mana • Curses • Mana Rift • Minion Frenzy • Putrify • Spin Web • Stun
Spawning — Bone Prison • Festering Appendages • Lay Egg • Revive • Summon Minion
Self-effect — Bone Armor • Burrow • Fly • Frenzy • Heal • Teleport • Vile Effigy