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Halo: Campaign Evolved Boom Skull — Location & Effect

Find the Halo: Campaign Evolved Boom Skull location and route, then check its effect: Explosion radius is increased to 2x.

Boom skull icon

SKULL #08 / 42

Halo: Campaign Evolved Boom Skull effect: Explosion radius is increased to 2x.

How to find this skull

Mission: The Maw

At Rally Point Bravo, enter the large engine room where the objective asks you to destroy four cores. Boom is on the right side of the room. Follow the ramps and doors all the way to the upper-right level, near one of the consoles that opens the engine pistons. Beside the console is a narrow ledge with a large box on it. Do not climb over the box toward the upper corridor. Drop carefully onto the ledge to the left of the box instead. Boom is tucked underneath it in the corner. If the edge seems to block you, crouch while moving under the box.

In the four-core engine room, start by heading to the right side.
Arrow pointing toward the right side of the large engine room
Use the ramps on the right to begin climbing toward the upper level.
Arrow pointing up the first ramp on the right side of the engine room
Keep following the doors and walkways around the right side.
Door along the route to the upper-right side of the engine room
Go through Engine Room Door 2 and continue up the ramp inside.
Open Engine Room Door 2 leading to another upward ramp
At the top, drop onto the narrow ledge to the left of the large box.
Arrows showing the drop to the narrow ledge left of the large box
Crouch under the edge of the box to reach Boom in the corner.
Boom skull circled underneath the box on the narrow ledge

Other Skulls in The Maw

Sources

Last reviewed: July 24, 2026