Mozu

Mozu is a major antagonist in Dr. Stone. He is a high-level enforcer who works for the Great Leader. He is renown for a physical strengths and power.

Personality
Mozu is arrogant and believes that he is unmatched for his brute strength and power. Like Kirisame, Mozu is shown to be fearless of any foe he comes across. He has a special interest in Amaryllis to the point of following her movements to see what she was doing. Mozu also have sharp senses as he was able to deduce that Kohaku was an invader on Treasure Island. Mozu is shown to not be loyal to Ibara for an unknown reason and was willing to side with the Kingdom of Science in an attempt to take down Ibara. However, he was determined to keep all the power of that potential victory by keeping the petrification weapon and desiring to take over Petrification Kingdom for himself. Mozu is also shown to be homicidal as he express his interest in killing members of the Kingdom of Science so that he can acquire all the petrification weapon and the power of the Petrification Kingdom for himself.

Past
Mozu was appointed a high position on Treasure Island, in the Petrification Kingdom. Because of his physical strength and power, he was renowned by the many villages on Treasure Island. Mozu also found out about an incident involving Ibara. Because of the nature of this incident, Mozu held contempt for Ibara and sought to kill him one day. At one point, Mozu assisted Kirisame in petrifying multiple people who tried to leave Treasure Island.

Plot
Mozu first appeared watching the event where Ibara picked out the girls who will be a part of the Great Leader’s harem. When Kohaku made a strange gesture towards Ibara, Mozu attempts to block her movement. Mozu later warns Kohaku to not to try and mess with the Great Leader where Kohaku express no fear of his warning. He was interested and suspicious of Kohaku. He also keeps his attention on Amaryllis. Mozu later encounters Kohaku with the idea that she is the traitor although Kohaku tried to fool Ibara and the others by destroying Ryusui’s statue to prove that she is not. Kohaku and Mozu gets into a fight while Mozu also knew that Ginro was an invader and allowed him to go with Ibara to see the Great Leader. Kohaku soon leaves their fight. She then attempt to prolong Ginro’s life after he was mortally wounded by Ibara until Kirisame turns both of them to stone. Mozu follows Amaryllis’s path in the night to the cave where members of the Kingdom of Science were hiding.

Mozu appears in the cave surprising everyone after he folloed Amaryllis. Mozu knocked back Taiju as he attempts to attack him and interested to know what Amaryllis was doing. Seeing an opportunity to negotiate, Gen tries to negotiate with him to join the side of the Kingdom of Science when they found out that Mozu was not loyal to Ibara because of a personal problem he has with him. Mozu agreed to ally with them but under the condition that he would have the petrification weapon and he would also take over Petrification Kingdom. Mozu left the group, however, they were wary of him as they realize that he will try to kill them after getting the petrification weapon. Mozu later goes to Kirisame and the other to warn them about a new enemy who are the invaders. Unknown to Mozu, Ibara realizes that Mozu betrayed them and instructs Kirisame to not use the petrification weapon against their enemies.

When the Kingdom of Science members pretends to attack the people of Petrification Kingdom, Mozu pretends to get knocked back by them to shock the people of the Petrification Kingdom. When he realize that Kirisame threw a fake petrification weapon at them, the Kingdom of Science members pretend escape the area. Mozu later encounter some members of the Kingdom of Science on their ship, the Perseus. He knocked back Yo attempts to shoot him and also attempts corners Senku and the others as he prepares to kill them with Ibara by his side. However, Senku used the depetrification liquid to depretrify Hyoga and Homura to fight against him.