Solo leveling: Healing Swordsman

Every night in his dreams, he held a sword and fought against a giant dragon without hesitation. Only to wake up and feeling the crushing weight of reality come down on him. However. On that day. At that place. When he pulled out the sword, it was no longer a dream.... (A solo leveling fanfic that takes place in America, but I changed the plot to have an additional threat besides the Rulers and Monarch's that the MC has to fight.)