Not much has been revealed about Kai or his past but his journal has entries of him saving several villages from danger. This might have been the reason as to why he got his title as Hero.
| "Patience is a virtue, my lord"|
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|Kai was mind controlled by the World Reformation Council and became an administrator, particularly stationed at Verna to enforce the Migration Prohibition Order, a rule that forbids people from entering certain areas on the island. He eventually met the Lord and the others, leading to a fight.|
* Stats reflected are base stats per star level without equipments, potentials, or skill bonuses
- "Lord... Are you planning something bad? Y... You're not right? I, I trust that you're not"
- "As long as my powers put to good use, I am more than willing to fight."
- "We won't get anywhere if we just stand here, Lord! Let's go!"