Smart Fly

Smart Fly is a passive item.

Effect

 * Spawns an orbital fly whose behavior changes depending on whether or not Isaac has taken damage in the current room.
 * The fly always deals 1.5 damage per tick or 22.5 damage per second on contact with enemies.
 * Before Isaac takes damage, the fly serves as an orbital familiar, blocking enemy shots.
 * After Isaac takes damage, this fly will seek out nearby enemies and attack them.

Synergies

 * : Increases fly's size and does double damage.
 * : Fly will stay in place when orbiting Isaac but will still pursue enemies.
 * : Allows releasing the Smart Fly to attack enemies without taking actual damage.
 * : Fly and Isaac will occasionally be connected via electricity.

Seeds
CAKK GWMX (First floor treasure room) YYH2 YJ4B (Treasure room adjacent to spawn) ER9T 2RPF (First floor treasure room) WV2E FB1R (First floor treasure room) 1ZTZ EC7A (First floor treasure room) 396D QBP0 (First Golden Treasure Room)