What does 勢力 mean?
勢力 is a Japanese noun meaning “influence, power, might, strength” in English. It can also be translated as “influence (of stones)” depending on context. It is written as 勢力 in kanji, せいりょく in hiragana, and seiryoku in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
地球側の圧政に苦しむコロニーの人々の中で、テロによる現状打破を目論む勢力が誕生。
Among the people of the colonies suffering under Earth's tyranny a force emerges intending to overthrow the status quo through terrorism.