First, when you start the level, go to the room with four pillars on the right and left side. Jump on the pillar that is closest to the glass tube. This leads to a small square room; in the center of the room, break the glass and jump on one of the four holes in the outer part of the square to get in. When you get inside, it's dark, but there are four glass windows on the top of the square. Break one of them and jump (crouch or grenade jump recommended) on the edges. Then you can see another room on top of the square. When you jump to get there, there are two holes on each of the four corners. Two corners have pillars to help you get to the hole, but the other two corners don't so you need to grenade jump to the hole where it is located. You will find the holo-drone floating on the hole.
If you shoot at it, the shots will go through it, but if you melee it, you will hear a metal sound. Grenades also have no effect on the drone.
|Halo 1 Easter Eggs||.fortune · AWOL Marine · Birthdate on Tank · Bulletin Board · DMM 2003 · Hellomyname Keyes · Hugging Elite · Initials on John's Boot · Keyes' Pipe · Megg · Pistol Kanji · Rex · Siege of Madrigal · Thirsty Unggoy · Three Dead Grunts · Unarmed Marine Easter Egg|
|Halo 2 Easter Eggs||Bloody UNSC Soldier · Cowardly Unggoy · Face in Halo · Face on Gravemind · Finding the Holo-Drone · Flood Blood Symbols · Great Journey Unused Objects · Grunt Playing With Dolls · HI BEN · Half-Naked Guy · Halo 2 Skulls · Hidden Cigar · Hidden Gargoyle · Hidden Sniper Rifle · Hippo in Halo · Jack o' lantern · Marathon Symbol from Blind Skull · McDonalds Sign on top of Coagulation · Megg · Messages on Bomb · Notes in Armory · Outskirts Sword · Reversed Messages · Rex · Rooster Teeth · Scarab Gun · Scorpion Pictures · Sid · Siege of Madrigal · Sign in Metropolis · Soccer Ball · Special Dialogue Unggoy · Type 14 Magnetic/Anti-Tank Mine · Why Am I Here · Zanzibar Eggs|
|Halo 3 Easter Eggs||Boat on "The Storm" · Carved Letters in Sierra 117 · Cavemen · Easter Egg Towers · Face on the moon · Final Unggoy · Flipyap · Halo Music on High Ground · Hangar Easter Eggs · Hidden Blood · Half-Naked Guy · Microsoft Sam · Missing Person Poster · Password-Lacking Marine · Reversed Messages · Rex · Rooster Teeth · Sandbox Warning · Secret Marine on The Covenant · Secret Room On The Ark · Secret Room On The Covenant · Siege of Madrigal · Suicidal Marine · Urinating Brute · Valhalla Wall Easter Egg · Chief EG-X|
|ODST Easter Eggs||Siege of Madrigal · Buck and Monkeyman · Face on Windward · Identification Badge · License Plate Eggs|