Power armor that focuses more on variable speed and armor fuel usage .
That armor would need to recharge .
That the level of speed , distance and recharge time would depend on the configuration .
1 Agility .Short bursts of speed .Most regular recharge time .Medium recharge speed .
2 Endurance .Slower constant speed .Least regular recharge .Fastest recharge rate.
3 Strength .Medium bursts of speed at a higher sustained rate than the agility mode .
Slowest recharge rate .
That there be a fuel level indicator bar .
Ability to change configurations at checkpoints .
This would change how the player paces the game and style of play would vary more .