

Upon entering a room with enemies, spawns a Yellow Locust that damages and slows enemies. Upon entering a room with enemies, spawns a Black Locust that does a very high amount of damage. Upon entering a room with enemies, spawns 2-5 White Locusts which damage enemies. Harbingers have different behaviors and spawn themed Locusts. Spawns a random Harbinger familiar that changes every 10 seconds. White Locusts are identical to Blue Flies, but are spawned in high quantities. Black Locusts deal quadruple Isaac's damage instead of double. Red Locusts explode on contact with an enemy, dealing an extra 60 damage in the radius. They behave like regular Blue Flies but have additional special effects. Locusts are variants of Blue Flies that are spawned by Locust trinkets and 7 Seals.


Every four pickups, it opens a portal that leads to an unexplored room. Each one will increase its size and damage and spawn a Blue Fly. Tears have a 1/6 chance of spawning allied Blue Flies when they hit an enemy.Īdds a chance to fire an egg sack which creates slowing creep and spawns a Blue Fly or Blue Spider upon hitting an enemy.Ī familiar that flies forward, consuming pickups in its path. Spawns a familiar that spawns a Blue Fly when Isaac shoots. If fully charged, instead has one of many unique effects.ġ-3 Blue Flies randomly spawn every time Isaac gets hit.Ģ-6 Blue Flies randomly spawn every time Isaac gets hit. Spawns certain pickups based on how many charges it has.
