Vibrant Bulb

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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 creates 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 Glass, 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 Battery does not provide an additional bonus.
• If two active items are held ( Schoolbag), the one currently active must be at full charge for the trinket to take effect (the other need not be).

Bugs

Bug! Replacing Isaac's active item with another active item that doesn't have a charge bar won't immediately activate the trinket's effects. The effect will depend on whether or not the previous item had a full charge or not. Furthermore, if the effect is active due to the previous item having a full charge, picking up a different active item that currently has no charge won't disable the effect, and vice-versa.

In-game Footage

Active Item Modifiers

Items:

• The Battery
• Car Battery
• Sharp Plug
• Void

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.