Answer:
Three lives have I. Gentle enough to soothe the skin. Light enough to caress the sky. Hard enough to crack rocks.
Alive without breath, As cold as death, Clad in mail never clinking, Never thirsty, ever drinking
It is more feared than fear itself, And no one can escape it. It takes no sides and does not judge, it does not know to hold a grudge. It is the most clearest result, Of how life beats you by default.
What has 3 feet but cannot walk?
Grows from the ground, bushes and grass, leaves of yellow, red and brow, unruly plants, get the axe, trim the hedge back down.
Do what he says and you'll be fine, don't and you lose the game.