This guide shows the location of all the collectibles in Chapter 14 of Guardians of the Galaxy. There are 6 collectibles in Chapter 14 (1 Archive, 3 Outfits, 2 Galactic Compendium Items).
1) Galactic Compendium Item: Xatar’s Blade
You will get it inside Drax’s room in the spaceship. It will be available only if you collected this item in Chapter 13. Exhaust all the dialogue options after picking it up for the item to count.
2) Galactic Compendium Item: Deeproot Plant
You will get it in Groot’s Area in the spaceship. It will be available only if you collected this item in Chapter 13. Exhaust all the dialogue options after picking it up for the item to count.
3) Outfit – Star-Lord: Team-Lord
The outfit is in the area with a big fan. It is on a ledge up above on the right side before the exit. Jump up the ledges on the left side as shown in the pictures below, to reach the purple box containing the outfit.
4) Outfit – Drax: Five Horsemen of the Apocalypse
After you get your walkman back, the area will be bombarded. As you are following the main path, Groot will automatically make a bridge as shown in the picture below. After crossing the bridge, turn right and you can see a purple box up above on the platform ahead of you. Melt the ice wall on the right side with your plasma gun. Then proceed ahead and jump above to reach the platform containing the purple box with the outfit.
5) Outfit – Gamora: Chosen Daughter
This one is in the mines. Wake your way through the mines until you reach the workbench. Then turn around and freeze three waterfalls on the right side as shown in the picture below. Jump on the frozen platforms and squeeze through the gap on the wall to reach the purple box containing the outfit.
6) Archive: To Whom It May Concern
It is lying next to a corpse near the previous collectible as shown in the picture below.