[The Blue Shadow King ability has been upgraded to Lv. 11.] [Your physical speed has been permanently increased by 1.5 times (physical speed includes: movement speed, attack speed, nerve reflex speed, etc.).] [Blue Shadow King: Lv. 11 (Ultimate Skill)] Effect 1 (Devour Shadow): Immediately restores 2% of maximum Mana after killing an enemy of the same tier. Tip: For every Lv. 1 increase, the maximum Mana recovery amount increases by 2%. Effect 2 (Blue Shadow King): Immediately consumes 6,000 points of Blue Steel Shadow energy to construct a weapon of any form within 0.03 seconds. This weapon can only attack once, dealing the enemy's lost Mana × 2.1 + 4,700 points of true damage. Tip: In this attack, both attack judgments are true damage. Tip: For every Lv. 1 increase, the attack intensity of this ability will be somewhat enhanced.
After reviewing the Blue Shadow King ability, Su Xiao discovered that the most powerful aspect of this ultimate skill was that for every Lv. 10 increase, it granted him permanent enhancements.
When Blue Shadow King was between Lv. 1 and Lv. 10, it increased his physical speed, for a total increase of 1.5 times. At this point, his body had permanently gained this buff.
When Blue Shadow King reached Lv. 11, it enhanced Mana recovery. Killing an enemy of the same tier restored 2% of Mana. It might not seem like much, but given Su Xiao's 27,900 points of Mana, 2% amounted to 558 points. If he were on a chaotic battlefield, this would already be a very powerful buff.
Moreover, leveling up Blue Shadow King once could further increase the Mana recovery by 2%, and it should cap at 20%. Killing one