Energy Core item icon

Energy Core

⭐ LEGENDARY ITEM
Effect: Grants cooldown reduction and enables energy regeneration for smoother, more frequent ability usage.

Looking for more items? Browse the full Megabonk Items index for effects, unlocks, and synergies.

Rarity
Legendary
Category
Item
Unlock
Defeat a Final Boss ×2
Playstyle
Ability-intensive

🔓 How to Unlock Energy Core

  1. Progress through the game until you can challenge a Final Boss.
  2. Defeat a Final Boss twice (across runs). This permanently adds Energy Core to your item pool.

Source consensus (guides & community): unlock requires two Final Boss kills. See references below.

🔗 Best Uses & Synergies

Energy Core shines in ability-intensive loadouts where shorter cooldowns and dependable energy sustain translate directly into DPS or control uptime. Consider pairing with tomes and weapons that scale with frequent ability casts.

Cooldown Tome icon

Cooldown Tome

Stacks conceptually with Energy Core’s cooldown reduction to increase cast frequency.

Learn about Cooldown Tome

Regen Tome icon

Regen Tome

Additional sustain tools help you maintain ability loops during longer encounters.

Explore Regen Tome

Lightning Staff

Lightning Staff & other spam-friendly weapons

Weapons that reward frequent casting (e.g., Lightning Staff, Aura, Aegis) benefit from reduced downtime.

Lightning Staff · Aura · Aegis

✓ Advantages

  • Higher ability uptime for clears and boss phases
  • Smooths energy economy in longer fights
  • Fits most caster/control archetypes

✗ Considerations

  • No direct defense—pair with sustain or mitigation
  • Marginal in pure basic-attack builds

📋 Patch & History Notes

If future official notes cite numeric changes to Energy Core, we’ll update this page with patch number and exact values.

See also