```
Everything within the Trial Space, including items, can only be used within the space and cannot be taken out. Even skills would be directly deleted upon leaving.
Song Jian's Thousand Swords Art was a Legendary Level skill, and he wouldn't have it sealed for a Dark Gold Quality skill, but if he could use these skills to improve the proficiency of his Thousand Swords Art, even if it was only effective in the Trial Space and would disappear after leaving, for Song Jian, it still represented an enhancement of his strength;
"Devour!"
Song Jian inwardly commanded.
Instantly, a purple-golden light flashed in his skill column, enveloping the Chaotic Blade Skill Book before him. In a short while, the Skill Book vanished, and the proficiency of his Thousands of Swords Flying Immortal Decision in the skill column had increased by a small notch;