Completing it is recommended, as it willunlock Athgar Heecein the free roam mode.
The mission is divided into two parts.
The first one is the travel through the Kelvin gorge.
During the latter one the heroes must destroy a large machine constructed by Teedo.
BUT if you want to take part in it, you mustaccumulate at least 20 gold LEGO bricks.
Crossing the Kelvin gorge
Start travelling to the right side.
You must reach the final part of the gorge where buildings can be found.
Get rid of the enemies.
Afterwards, look for the valve.
Get back with the valve to the rig you’ve passed by earlier.
Attach it in the machine and interact with the machine.
Switch toAthgar Heeceand use his unique ability associated with the jetpack.
Use the equipment to get to the upper platform.
Fly using the jetpack and reach a neighboring platform located in the upper part of the screen.
Afterwards, fly to the right side.
After landing on a small platform start moving along the narrow ledges.
You will soon reach a larger ledge, where you must destroy the bricks and construct a ladder.
Now switch toLor San Tekkaand use the ladder to get to the upper ledge.
You must travel slightly to the right and use the grappling hook on the interactive handle.
After you’ve pulled out the part of the wall, switch toAthgar Heece.
Use the newly unlocked passage leading down.
While in the new area you must travel to the right.
While playing asAthgar Heeceyou must grab onto the handle on the wall.
Afterwards, switch toLor San Tekkaand interact with the nearby knob.
Use it to move the handle with Athgar upwards.
Now switch back toAthgar Heeceand jump to the ledge on the left side.
Destroy all of the objects in the area and interact with the bouncing blocks.
You must start pushing the cart located here - first upwards and then to the right.
Switch back toAthgar Heece.
Look around the area with the silver surface which must be destroyed by using the thermal detonator.
Afterwards, switch toLor San Tekkaand perform a series of jump to reach Athgar.
Go a little further to the right and use the grappling hook on the new handle.
You must use a thermal detonator to destroy this object.

Jump on top of one of theLugga beastsand head to the right.
Locate the weakened fragment of the wall (the one with cracks on it) and pierce through it.
SelectLor SanTekkaand use the newly unlocked trampoline to reach the ledge on the right side.
pick the Quadnoculars here and scan the upper mechanism with it.
Afterwards, reach the place withAthgar Heeceand destroy the silver object with his thermal detonators.
Scan the wall to reveal weakened spots on it, mountLugga beastand pierce through the left wall.
SelectAthgar Heeceand start bouncing along the vertical walls to reach the upper left ledge.
There’s another cart here.
You must push it so that it falls down and crushes.
There’s a rotating mechanism there which Lor San Tekka must interact with.
you might now approach the central object that fell on the ground.
Bounce off it to reach the small ledge.
Complete the climb and head towards the exit from the building to complete this rather short chapter.
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