Uploaded August 2026 | Updated September 2026, 1 week ago

---

Follow along to see how and where to unlock this tricky hidden Efficient Skull in the third bonus mission Heavy Burden in Halo: Campaign Evolved.

Mission: Bonus Mission 3 - Heavy Burden
Section: Rally Point Charlie

• Near the end of the level, your ship will lose power and you will need to get off the ship to restore power and battle some enemies.

• AFTER. you restore power and boot up your moving ship again, there will be 2 more sections before the end of the level.

• At the second platform section after restoring power, you will need to get ready to jump off to the platform section to the left. Run towards the far back right corner to find the Efficient Skull sitting on the ground.

• Collect the Efficient Skull to unlock it in the game. The Skull will unlock even if you don't make it back to the ship or die.

Congrats! That's it! Super tricky and hidden skull... maybe the hardest one!

With the Efficient Skull activated, enemies killed while the player is at full health drop more ammo.

If this collectible skull guide was helpful to you, please like and subscribe!

#halocampaignevolved #halo #collectibles #gaming #shorts