Find the guild NPC shop and spend 40 guild contribution coins (the higher the guild level, the more guild contribution coins are consumed) to exchange for 30 points of fatigue potion.
Points can be used to purchase fatigue potions in the game store's recovery.
Find Captain Root and use the props to exchange for 30 points of fatigue potion every week.
Find Mushroom Head Tony and use Mushroom Head Gold Coins to exchange for 20 points of fatigue medicine .
When you come to the training ground every day, you can recover 1 point of fatigue every time you listen to He-Man's songs, up to 3 times a day.
In the points mall, you can get 1 point of fatigue medicine by spending 200 points, and the purchase is limited to once per day.
The above is how to obtain the fatigue potion in "Dungeon and Fighter: Origins". I hope it will be helpful to you.