You will need some warm up.
When you meet Grunts and a Brute kill the monkey instantly and then exterminate the rest of dwarfs.
Destroy reinforcements staying on the top of the stone wall.
Eliminate enemies in the usual way - first Brutes, then Grunts.
Don’t go any further, there is an important treasure near.
Your first skull in the collection.
Blind Skull
You’ll find it on the rock near the lake where you’ve seen the Phantom.
Go right from that place and then walk straight to the edge of the cliff.
You’ll see a rock with a skull on it.
Effect:HUD disappears.
Beyond the cave you’ll notice a group of sleeping Grunts.
Go down and kill them honorably…. and don’t wake them up.
The river is not too far.
Next group of aliens means more ammo in your clip.
On the beach you’ll be attacked by a group of enemies.
An accident makes the evacuation a disaster.
Enter the buildings, killing more enemies on your way.
Be careful around Brutes with Brute Shots.
In the jungle you’ll be attacked by Jackals, clear your way with accurate shots.
Find Johnson before he’s captured
The party’s over and that big group of Grunts is fairly dangerous.
When they’re down, finish the Grunts.

Quid Pro Quo
Rescue Johnson and his squad
Take the Sniper Rifle and shoot as much enemies as possible.
Then go down and take care of the Grunts.
Probably you’ll run out of ammo, so don’t be shy and change your weapon anytime.
On the other side you’ll find a room filled with prisoners.
Nothing left to do but to free them.
Fight isn’t over but what you should be interested most is the next skull.
Clear your surroundings of enemies and you might reach the next achievement.
In co-op mode, if someone dies, all players return to the nearest checkpoint.
This site is not associated with and/or endorsed by the Microsoft or Bungie.
All logos and images are copyrighted by their respective owners.