The king hero of Gemini in the game "Honor of Kings" is Wukong.

Wukong, also known as Sun Wukong, is a hero in "Honor of Kings" who is based on the main character of the Chinese epic novel "Journey to the West". As a hero, Wukong is classified as a fighter, excelling in close-combat battles with his unique set of skills and abilities.

One of Wukong's defining traits is his shapeshifting ability, which allows him to transform into different forms to confuse and outmaneuver his enemies. He can turn into a cloud to move quickly and dodge attacks, or become a clone of himself to deceive his opponents. His ultimate ability, "72 Transformations", allows him to transform into various creatures, giving him the flexibility to adapt to any situation.

In addition to his shapeshifting skills, Wukong also possesses strong combat abilities. His passive ability, "The Great Sage", allows him to deal extra damage with basic attacks and recover health every time he lands a killing blow. His first skill, "Golden Staff", deals heavy damage in a straight line and knocks back enemies, while his second skill, "Nimbus", sends out a wave of magical energy that damages and slows enemies in its path.

Wukong's popularity in "Honor of Kings" can be attributed to his versatility and his unique character design. As a hero, he has the ability to fill multiple roles on a team, whether it be as an initiator, a damage dealer, or a tank. Players also enjoy his playful and mischievous personality, which is in line with his character from "Journey to the West".

Overall, Wukong is a strong and popular hero in "Honor of Kings", and is a great choice for players who enjoy a versatile playstyle and a unique character design.