Summary :
In Solo Leveling Manga Chapter 198, Jin-Woo continues to train American fighters. He teaches them how to fight the Monarchs and how to use the Potion of Awakening. Jin-Woo is also training with the American Hunter Association research team to develop an awakening potion. They are able to improve the potency of the potion, but it is still not strong enough to defeat the monarchs. One day the Monarch will attack the United States. Jin-Woo and the American hunters fight against the monarch but are unable to defeat him. The Monarch is about to kill Jin-Woo when a mysterious figure appears and defeats the Monarch. The mysterious figure introduces himself as Adama, the king of the ants. He tells Jin-Woo that he is here to help him defeat the monarchs. In this chapter, Jin-Woo continues to train American hunters and develop an awakening potion. Monarch attacks the United States, but Jin-Woo and the American hunters are unable to defeat them. A mysterious figure appears and defeats the monarch. This chapter is a good start to the Adam arc of Solo Leveling. It introduces a new ally and shows the threat of the monarchs. The chapter is also well written and paced and the artwork is excellent. Overall, Solo Leveling Manga Chapter 198 is a good chapter for fans of the series to enjoy. It is well written, well paced and has excellent artwork.