Blue X-Sun Missile

Jacob continued his flight as he got closer and closer to the colossal tree, and he could finally see its wide and thick branches spreading throughout the sky. Each leaf was around ten meters in size. 

Furthermore, the closer he gets, the more excited his mind is for the challenge in front of him, while his rationality makes him feel the opposite. Now, Jacob started to experience the actual effect of fighting the giant spirit as it was getting hard for him to keep his calm mind in front of a powerful opponent. 

'At least this proved this thing is a unique rank existence on my level or even stronger than me. But how am I supposed to fight it?' Jacob grimaced as he looked at the colossal existence before him with no visible weakness. 

Even the fire spread by the mysterious person won't be able to put a dent in it.