In the end, the shadow king didn't do much. He didn't even try to resist and just let Rain seal him. Thanks to that, the effects of the skills of the shadow king path doubled.
Shadow King Path: The Shadow King Path is a dark and commanding combat path that taps into the essence of shadows and sins to augment personal abilities and manipulate adversaries. All parameters + 60 per level.
• Level 1: Umbral Strike - Infuses attacks with shadowy energy, shrouding enemies in darkness and reducing their Wisdom by ten points per level and per minute.
• Level 5: Sinister Aura - Conjures an aura of malevolence, enhancing the charisma and combat prowess of allies while instilling confusion and hesitation in enemies. Allies receive +20 strength multiplied by the level of the skill, and enemies experience a decrease in strength by the same amount.