This is the 7014th most frequent Japanese word.
メガヤミラミ
"メガヤミラミ" refers to "Mega Sableye," a Mega Evolution of the Pokémon Sableye.
Here, 'メガヤミラミ' is used as a proper noun to refer to the Pokémon species 'Mega Sableye'.
メガヤミラミはポケモンの一種です。
Mega Sableye is a type of Pokémon.
In this sentence, 'メガヤミラミ' is used to identify the Pokémon involved in the specified evolution process.
メガヤミラミは特別な条件で進化します。
Mega Sableye evolves under special conditions.
Here, 'メガヤミラミ' is used to refer to the topic of conversation, showing its use in casual speech.