Eclipse Walker is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.nl fastest updating comic site. The Summary is

A futuristic world where the light and darkness coexist, an underground city intertwined with crimes and corruption. A cruel and ruthless humanoid armor. An unexpected plan that mixes faith and changes. Betrayals, framings, conspiracies, deceptions. Let’s see how the Chief Assassin of the Xi He organization, Leng Zhe, will fight against the whole world on his own and embark on his road to bloody revenge for his past lover, Ah Miao!