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'''Installations''' are a type of Abyssal commonly encountered in events, extra operations, and boss nodes of advanced maps, such as [[World 6#6-4|World 6-4]] or [E4 in Summer 2016](). They tend to be governed by special rules, and certain equipment gains bonuses when used against them.

'''Installations''' are a type of Abyssal commonly encountered in events, extra operations, and boss nodes of advanced maps, such as [[World 6#6-4|World 6-4]] or [[Summer 2016 Event#E4|E4 in Summer 2016]]. They tend to be governed by special rules, and certain equipment gains bonuses when used against them.

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