Find all training manuals

Upgrade and then break one of every melee weapon

Leave Ellie hanging after a job well done

Fully upgrade a weapon

While in stealth, turn off the spotlight generator in Pittsburgh

Find a comic

Find one training manual

Opened all presents in Winter Wonder.

Changed into the Festive Fellow Outfit.

Rescued a Bot in Helium Heights.

Acquire all trophies.

Acquire all sorceries.