Ruiner
Ruiner is a noun in the English language used to denote a person or thing that causes ruin, damage, or destruction. It can describe someone whose actions spoil plans or fortunes, or a thing whose consequences are ruinous. The term can be used metaphorically, as in “a ruiner of hopes” or “the ruiner of a project.” The word is formed from the noun ruin plus the agentive suffix -er.
In popular culture, Ruiner is the title of a video game released in 2017. Developed by Reikon
The term may also appear in other media as a title or character name, reflecting its association