Easy to Follow Guide on how to Max Out the Hardest Attribute – Strength, that helps reduce fall, explosive and other kinds of damage.
How to Max Out the Strength
Click through these ESC > ONLINE > JOBS > ROCKSTAR CREATED > MISSIONS > PIER PRESSURE.
Once Mission starts go to the location on the map. It is the strip club, below the highway and ammunation.
Block the Front and Back entrances with cars.
Go in and start punching everyone you see using R, Q, Spacebar (dodge), right mouse to target, left click to punch.
You will eventually level up strength. It takes a while. Do not worry no cops will show up since this is Pier Pressure – no cop mission.
Once level strength to a desired level finish the mission by following objective.