Masanari Tate is a central character in the anime Nazca. He initially appears as a dedicated kendo instructor and art teacher, respected and admired by his students, particularly by Kyoji Miura. However, Tate is secretly the reincarnation of Yawaru, an ancient Inca warrior who seeks to purify the world through destruction. When his past life fully awakens, his personality undergoes a profound shift from a gentle, caring mentor into a zealous and charismatic figure driven by a sacred mission. He views the modern world as corrupt and weak, and he embraces his identity as an Inca general with unwavering conviction. His primary motivation is to release Iryatesse, a primordial source of energy that sustains all life on Earth, in order to cleanse the world and create an ideal world according to his beliefs. This plan would result in the deaths of millions, but he sees this destruction not as chaos but as a necessary purification.

In the story, Tate serves as the main antagonist. He actively gathers other awakened reincarnated souls, such as Daimon, Shiogami, Tatsuko, and Garos, to bolster his power and aid his cause. His role creates a direct conflict with Kyoji Miura, who is the reincarnation of Bilka, the warrior who thwarted Yawaru in their past lives. Tate’s ex-fiancée, Yuka Kiritake, also becomes part of the opposition. The central struggle revolves around whether Kyoji can bring Tate back to his senses and break the cycle of reincarnation and possession, or whether he must accept his destiny as Bilka and destroy the person he once respected.

Tate’s key relationships are defined by his past and present connections. With Kyoji, there is a deep bond of teacher and student, which becomes strained and ultimately broken as their reincarnated selves clash. With Yuka, their past engagement adds a layer of personal history and emotional weight. With his gathered allies, he acts as a commanding leader, testing their will and using them to further his goal.

Tate’s notable abilities stem from his reincarnation as Yawaru. He possesses enhanced combat prowess, likely rooted in his kendo training but amplified by his ancient warrior spirit. He can awaken and command other reincarnated souls, and his connection to Iryatesse grants him access to immense supernatural power. He also displays a persuasive and charismatic intensity, blending teacherly guidance with zealous conviction to sway others to his side.

Throughout the series, Tate’s character develops from a respected mentor into a tragic figure consumed by his past-life mission. His transformation challenges the other characters to question fate, free will, and the possibility of redemption. Despite his antagonistic role, his motivations are rooted in a sincere, if extreme, desire to restore purity, making him a complex and compelling figure in the narrative.