Longevity by Picking up Attributes in the Battlefield

Zhao Feng is reborn as a soldier in the Qin state during the Warring States period, exactly when the legendary Emperor Qin Shi Huang is annihilating the other six kingdoms. He is assigned to the Logistics Army, responsible for clearing the battlefield and carrying corpses.
But for Zhao Feng, there's no better job than this.

Touching a corpse.
【Picked up 1 point of strength】, 【Picked up 1 point of speed】, 【Picked up 1 point of constitution】, 【Picked up 1 point of spirit】, 【Picked up 1 point of lifespan】.

Touching an elite corpse.
【Picked up 5 points of strength】, 【Picked up 5 points of lifespan】.

Killing an enemy, attribute pick-ups doubled.
【Picked up 10 points of strength】.
【Picked up 10 points of lifespan】.