Mega Blast

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Item icon
Item altar
 
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Character appearance
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12 rooms 12 rooms
 
Item Pool Devil Room.png Devil Room
Greed mode onlyItem Pool Devil Room.png Devil Room
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(page 4, column 16, line 4)
 
Mega Defeat Mega Satan as every characterMegaMega
Added in Afterbirth

Mega Blast is a secret unlockable activated item added in Afterbirth.

Effects[edit | edit source]

  • Upon use, Isaac fires a giant, incredibly powerful blood laser, similar to the one used by Mega Satan, for 15 seconds.
    • The beam deals Isaac's current damage multiplied by 5 per tick.
    • The beam has enough power to push Isaac backwards while being fired, and will last between rooms, and across multiple floors.
    • The beam has spectral and piercing effects.
    • The beam can be moved while firing in many angles diagonally.
    • While Mega Blast is being fired, Isaac cannot:
    • The laser extinguishes fires, detonates TNT, and destroys poop.

Notes[edit | edit source]

  • Picking up a Little Battery with this item will not fully charge it. Instead, it will add 3 to its charge, meaning that 4 batteries are required to fully recharge the item.
  • Using a 48 Hour Energy pill with this item will fully charge it.
  • Mega Blast has an 80% decreased item pool weight, making it less likely to appear than other collectibles.
  • In order to unlock Mega Blast, Mega Satan must be defeated with all characters including secret characters (The Forgotten, The Lost and, Keeper).

Synergies[edit | edit source]

  • 9 Volt 9 Volt9 Volt Icon.pngReduces the charge of any Activated Items by 1. Any 1 charge items instead have timed recharges.: Reduces number of charges by 1.
  • Added in Afterbirth †Euthanasia EuthanasiaEuthanasia Icon.pngAdds a chance to fire needles. If a needle kills an enemy, it bursts into more needles.: Adds a chance for beams to fire with triple damage.
  • Homing Tears: Beam curves toward nearby enemies.
  • A Lump of Coal A Lump of CoalA Lump of Coal Icon.pngThe more distance tears travel, the more damage they will do.: Increases the damage of the laser the farther that it travels. Also colors the laser black and makes it wider as it travels.
  • Ipecac IpecacIpecac Icon.pngReplaces tears with explosive and poisoning projectiles fired in an arc from the mouth.: Massively increases damage, poisons enemies, and turns the beam dark red.
  • Polyphemus PolyphemusPolyphemus Icon.pngMakes Isaac shoot one huge tear. Also reduces Tears to minimum. Damage increased . If tear does more damage than an enemy's life, the tear continues to travel with the extra remaining damage.: Quadruples beam's damage.
  • Rubber Cement Rubber CementRubber Cement Icon.pngTears bounce off walls, enemies, and environmental objects.: Beam bounces off walls like Brimstone BrimstoneBrimstone Icon.pngTears are replaced by a laser beam that pierces through all enemies and obstacles in its path and deals high damage. Can only be fired after a short charge-up period. would.
  • Added in Afterbirth †Schoolbag SchoolbagSchoolbag Icon.pngAllows Isaac to hold two active items.: Beam will continue to fire when switching to another active item. Other active item can be used while beam is firing.
  • Tiny Planet Tiny PlanetTiny Planet Icon.pngRange up and makes shot tears revolve around Isaac until they drop.: Beam rotates around the player like Brimstone would.
  • Added in Afterbirth †Void VoidVoid Icon.png6 roomsConsumes all pedestal items in the room. Active items will have their effects added to Void, and passive items will grant stat upgrades.: Allows the item to be used every 6 rooms instead of 12 and batteries will fully charge the item.

Interactions[edit | edit source]

  • 20/20 20/2020 20 Icon.pngGrants double shot./The Inner Eye The Inner EyeThe Inner Eye Icon.pngGrants triple shot but decreases tears./Mutant Spider Mutant SpiderMutant Spider Icon.pngGrants quadruple shot but decreases tears.: No effect on Mega Blast.
  • Added in Afterbirth †Angelic Prism Angelic PrismAngelic Prism Icon.pngGrants a prism orbital with a large orbital radius. Tears that pass through the prism split into four multi-colored tears.: Laser beam will only split and change color when Isaac is directly against a wall.
  • Anti-Gravity Anti-GravityAnti-Gravity Icon.png-2 Tear Delay. Tears float in position until firing ceases, after which they will fly off in the direction they were shot in.: No effect on Mega Blast.
  • Car Battery Car BatteryCar Battery Icon.pngCauses Isaac's activated item to activate twice on each use.: No effect.
  • Chocolate Milk Chocolate MilkChocolate Milk Icon.pngGrants charged tears that deal greater damage when fully charged.: No effect on Mega Blast. Laser beams turn a light brown color.
  • Added in Afterbirth †Compound Fracture Compound FractureCompound Fracture Icon.pngIncreases range. Tears turn into bones, which shatter into 1-3 bone shards upon hitting an enemy or obstacle./Cricket's Body Cricket's BodyCricket's Body Icon.pngGrants -1 Tear Delay and reduces Range. When tears hit an object or deplete their range, they spawn 4 smaller tears, whose Range and Damage scale with Isaac's./The Parasite The ParasiteThe Parasite Icon.pngIsaac's tears split in two when they hit something.: No effect on Mega Blast.
  • Continuum ContinuumContinuum Icon.png+2.25 Range Up. +1.5 Tear Height. Isaac's tears travel through walls and appear out of the opposite wall. Isaac's tears also travel over rocks and objects.: No effect on Mega Blast.
  • Dr. Fetus Dr. FetusDr. Fetus Icon.pngTears are replaced by bombs that benefit from bomb-enhancing effects and slide a fixed range after being fired.: No effect.
  • Epic Fetus Epic FetusEpic Fetus Icon.pngIsaac's tears are replaced with guided missiles, like those used by the Doctor's Remote.: No effect.
  • Godhead GodheadGodhead Icon.pngIncreases damage and range while reducing tears and shot speed. Grants homing tears and tears gain a damaging halo.: Multiplies beam damage by 1.2, retains homing effect. The beam does not have a damaging aura.
  • Added in Afterbirth †Haemolacria HaemolacriaHaemolacria Icon.pngTears are now fired in an arc. Upon hitting the floor, an obstacle, or an enemy, they burst into many smaller tears in all directions. Increases tear delay.: Multiplies beam damage by 1.3. No other effects.
  • Incubus IncubusIncubus Icon.pngA demonic familiar that follows Isaac and shoots tears identical to Isaac's in terms of damage, range, fire rate, and effects.: Familiar fires normal tears while Mega Blast is in use.
  • The Ludovico Technique The Ludovico TechniqueThe Ludovico Technique Icon.pngInstead of firing tears, Isaac controls one floating tear that hover over obstacles. This tear deals constant damage when held in place over an enemy.: No effect.
  • Mom's Eye Mom's EyeMom's Eye Icon.pngAllows Isaac to fire tears from the back of his head./Loki's Horns Loki's HornsLoki's Horns Icon.pngGives a random chance for projectiles to fire in all 4 cardinal directions.: Will not fire other beams even with high luck.
  • Mom's Knife Mom's KnifeMom's Knife Icon.pngIsaac's tears are replaced by a knife that pierces enemies, can travel through obstacles, and can hurt enemies while Isaac is holding it. Holding down the fire button before firing increases its range and power.: No effect.
  • Monstro's Lung Monstro's LungMonstro's Lung Icon.pngIncreases damage and grants a charged shot that fires multiple tears in the same fashion as Monstro.: No effect.
  • My Reflection My ReflectionMy Reflection Icon.pngGives Isaac's tears a boomerang effect, and increases range and shot speed.: Causes the beam to curve while moving.
  • Proptosis ProptosisProptosis Icon.pngTears start out massive with high damage, and then shrink down and become weaker over a short range.: The beam does massively increased damage at close range but does nearly no damage from afar.
  • Sharp Plug Sharp PlugSharp Plug Icon.pngUsing an activated item while it's not charged will charge it and Sharp Plug does 2 full heart damage to Isaac.: Fully recharges the item upon use at the cost of 2 hearts.
  • Soy Milk Soy MilkSoy Milk Icon.pngTears shrink and do much less damage, but fire in very rapid succession.: Reduces beam's damage to Isaac's base damage.
  • Technology TechnologyTechnology Icon.pngReplaces tears with a piercing laser with unlimited range.: No effect.
  • Technology 2 Technology 2Technology 2 Icon.pngDecreases damage and replaces right eye tears with a unlimited range, piercing laser which fires continuously.: Decreases beam's damage.
  • Tech X Tech XTech X Icon.pngTears are replaced with laser rings that pierce through enemies and deal damage to enemies within them. Can be charged to increase the size of the ring.: No effect.
  • Added in Afterbirth †Trisagion TrisagionTrisagion Icon.pngTears are replaced with piercing white blasts of light.: No effect on Mega Blast.

In-game Footage[edit | edit source]

Seeds[edit | edit source]

 PC  WCB1 YZ39 (First floor Devil Room)

 PC  TQWA 6TQD (Curse room adjacent to spawn, chest teleports to devil deal) Normal and hard modes only

 PC  3KY4 LSVL (Second floor Devil Room)

 PC  RZL2 6MQ0 (Starting item as Eden, and will also start with Godhead GodheadGodhead Icon.pngIncreases damage and range while reducing tears and shot speed. Grants homing tears and tears gain a damaging halo.)

 PC  MKNJ 711R (Third floor Devil Room)

 PC  W3BZ BBB2 (Starting item as Eden) Greed mode only

 PC  PGH7 BMRT (Starting item as Eden) Greed mode only

 PC  L6B9 ZZ22 (Starting item as Eden) Hard mode only

 PC  NZ7T 4RAJ (Starting item as Eden) Hard mode only

Gallery[edit | edit source]


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