You touch the ground and enter a trance, gaining knowledge on the following subjects of the immediate surrounding area within range: History, Nature, and Survival. While in this area, you gain proficiency in these skills and your Proficiency Bonus is doubled when making checks using these skills. You lose the knowledge when your concentration is broken or after the spell ends.
Your skin hardens and becomes tough like stone, granting you advantage on Constitution saving throws and resistance to your choice of bludgeoning, piercing, or slashing damage.