In-game, the term 'Honkai Impact' (also 'Honkai Eruption' or 'Honkai Outbreak') refers to a large-scale Honkai disaster that coincides with the birth of a Herrscher. The 'Impact' part of the title is absent from both the Chinese and Japanese versions, and is only used in English marketing. The word 'Honkai' based on the Japanese 崩壊 (ほうかい, 'collapse' or 'decay'), pronounced 'hōkai', which is the direct translation of the Chinese 崩坏 (bēng huài) used in the original Chinese title.

In addition to the game, the storyline of Honkai Impact 3rd spans multiple supplementary media including an anime series, multiple manhua series, and promotional videos. The game is notable for incorporating a variety of genres, from hack and slash and social simulation, to elements of bullet hell, platforming, shoot 'em up and dungeon crawling across multiple single and multiplayer modes. It is the spiritual successor to Houkai Gakuen 2, using many characters from the previous title in a separate story.

'Collapse 3rd') is a free-to-play 3D action role-playing game (originally a mobile exclusive) developed by miHoYo, published by miHoYo in mainland China and by HoYoverse worldwide, and later ported to Microsoft Windows.

Honkai Impact 3rd ( Chinese: 崩坏3 pinyin: Bēng Huài 3 lit.

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