Vibrant Bulb

Vibrant Bulb is a trinket added in The Binding of Isaac: Afterbirth † expansion.

Effects

• Increases all stats while Isaac's active item is fully charged:
  • +0.25 speed
  • +0.75 range
  • +0.20 tears
  • +0.10 shot speed
  • +0.50 damage
  • +1 luck

Notes

• The trinket has no effect if Isaac has no active item.
• Active items that are reusable indefinitely without a charge bar, such as How to Jump, will allow Vibrant Bulb's effects to be permanent (until the active item is swapped out).
• Vibrant Bulb is slightly less than half as powerful as Dim BulbProvides a boost to all stats when Isaac's active item is completely uncharged.; however, its effects are active more often.
• Glowing Hour GlassWhen used, this item will rewind time, put Isaac back in the previous room, and undo anything that happened in the current room. Any health, pickups, or items gained or lost will be reset back to the previous state., when used, will not make the Vibrant Bulb inactive and will still provide the bonus until it has one bar of charge.
• Having additional charge beyond full with The BatteryActivated Items can be "overcharged" to allow for an additional use. does not provide additional bonus.
• If two active items are held ( SchoolbagAllows Isaac to hold two active items.), the one currently active must be at full charge for the trinket to take effect (the other need not be).

In-game Footage

Active Item Modifiers

Items:

• The BatteryActivated Items can be "overcharged" to allow for an additional use.
• Car BatteryCauses Isaac's activated item to activate twice on each use.
• Sharp PlugUsing an activated item while it's not charged will charge it and Sharp Plug does 2 full heart damage to Isaac.
• VoidConsumes all pedestal items in the room. Active items will have their effects added to Void, and passive items will grant stat upgrades.

Trinkets:

• Broken RemoteTriggers the Teleport effect whenever an activated item is used.
• Butter!Using an active item will drop it onto a pedestal on the ground. Taking damage may result in dropping a passive item.
• Dim BulbProvides a boost to all stats when Isaac's active item is completely uncharged.
• Vibrant BulbProvides a boost to all stats when Isaac's active item is fully charged.

Cards:

• ? CardWhen used, copies the effect of Isaac's currently held activated collectible item.