Very easy...in the back of the starting room you will find the skull behind the blue object...

At the start of the mission, instead of proceeding left like you're supposed to, go straight and you will find this skull behind a rock at the waterfall...




When you first get the warthog and are headed towards the "unnatural formation" cave, on the top of the cave entrance you can find a skull (approach from the side closest to where you came)

When you get to the large room shortly towards the beginning of the level, there will be a room in the corner that two hunters come out of, there is a skull in that room....
(This is the large room where Cortona tries to access the Covenant database to open up a door)

At the start of the level, turn around and go the other way until you see this kinda of plateau on the beach...



On top of it you will find the skull...




When you unlock that door the sword elite comes from, if you go outside where the access terminal was, you will have to grenade jump onto the structure itself, and the skill will be alone the back...

Towards the beginning of the level you will come across this room...



head to the back and grenade jump onto the middle pillar and then into the hole of the structure above...






When you get to the part with the tank where you enter a large room with two bridges, get out and on a pipe below will be a skull...

At the start of the game, turn around and go the other way...



it's hard to see through the fog but you will eventually come across this area...



the skull will be behind the tree...

Right before Oracle opens up the large door to the large room, to the right of it will be these two openings...



You will have to grenade jump onto the raised area and jump into the hole, and walk all the way to the top...




On the Fourth/Final floor, at the very end of the level, don't interact with the end part, instead go around it and the skull will be behind it...

Towards the end of the level will be two banshees, go ahead and grab one but don't go to the third objective yet...



Fly past it until you see the underground area you just came from...



The skull will be on top of it...

(No skulls here!)

Wait, stop...this is where Foehammer is coming to pick us up....this is also where the final skull of the game is...



It will be on the pipe to your right, you can use the warthog as a step to jump up...

As always, a huge thanks for checking out my guide...I understand some of these may still be hard to find even with picture references, so if you do need help, let me know in the comments and I'll be sure to make sure you get it! Feel free to leave a rating if this was helpful!

Click the link below for more of my Halo MCC guides!

https://steamproxy.net/sharedfiles/filedetails/?id=2025420263

https://steamproxy.net/sharedfiles/filedetails/?id=2257878269