Find all flowers
Find all feathers
Open all the secret chests
Recall all souvenirs
Fully upgrade the sling
Fully upgrade the crossbow
Fully upgrade the gear
Fully upgrade the instruments
Fully upgrade the alchemy
Fully improve the Prudence skills
Fully improve the Aggressive skills
Fully improve the Opportunism skills
Earn all "A Plague Tale: Requiem" trophies
