Jacob frowned when he saw 'Don't worry' and sternly questioned, "What do you mean by 'don't worry'?"
"Hoh, did I say something?" These words appeared the next moment.
Jacob's expression fell the moment he read those words, and he knew this book was again messing with him. However, he suddenly felt like sleeping, and he instantly knew the hunger was acting up.
Although he had acquired the fire wyvern's endurance, but he couldn't just sleep for hundreds of years to sustain himself.
"Stop messing around and tell me how this endurance works exactly!" Jacob sternly questioned.
"Tsk, tsk, what a simple question, sigh… I have to tell you everything in the end. The Endurance of this Wyvern will raise your Endurance to the level of a Unique Rank Wyvern.
"Your human body will no longer waste any extra energy as it did before, and all required energy to move your body or do tasks or fighting has been decreased by 90% with your current level.
