Verified for patch 16.8.1

Leaky Prototype

Every 5 seconds, this item loses 3 Ability Power and gains 1 Mana Regen.

Source

Effects

AP
15
APLoss
3
Interval
5
ManaRegenPerLoss
1

Leaky Prototype enables

  • Mana On the Menu

    The unit-level resource that gates ability casts. Mana-gen items, on-cast refunds, and starting-mana augments all key off this mechanic.

Leaky Prototype scales with

  • Ability Power On the Menu

    Scales with Ability Power. Damage and effect magnitudes that read "(scales with AP)" target this mechanic.