Jak 3

Story related and cannot be missed.
After making it through the Subrails, progress through the Eco Mine. There are several instances where you will need to shoot a bridge to lower it, and near the end there are a few times there you will have to melee attack a fox-like creature into a hamster-wheel type contraption before you can progress. At the end of this area, you will find Leg Armour, granting you this trophy.