英雄聯盟s4（第四賽季）主題曲叫《Warriors》，於2014年9月22日美國環球公司發行。由Riot Games（拳頭遊戲）設邀，由美國獨立搖滾樂隊Imagine Dragons（夢龍）演奏。以下為自翻中英文歌詞：Warriors 勇士演唱者：Imagine DragonsAs a child, you would wait作為一個小孩子，你大概只能待在這裏And watch from far away.從遠方遙望着But you always knew that you'll be the one但你心裏一直明白你就是天選之人that work while they all play.那個將奮鬥在他們如今戰鬥地方的人And you, you lay, awake at night and scheme而你，躺在牀上夜不能寐，謀劃着of all the things that you would change,一切你將要改變的but it was just a dream!但這曾經還只是個夢想Here we are, don't turn away now,現在我們就站在這裏，絕不是轉身離開的時候we are the warriors that built this town.我們就是鑄就這座城池的勇士Here we are, don't turn away now,現在我們就站在這裏，絕不是轉身離開的時候we are the warriors that built this town.我們鑄就這座城池的勇士From Dust.即使從一片塵埃之中The time will come, when you'll have to rise時機即將到來，你必須崛起above the best, improve yourself,站到頂點，證明自己your spirit never dies!你的精神將永垂不朽Farewell, I've gone, to take my throne above永別了，我已無望，但我將指引你來登上我的王位don't weep for me不要為我哀悼Cuz this will be the labor of my love因為這是我對我所愛之物艱苦決絕地付出Here we are, don't turn away now,現在我們就站在這裏，絕不是轉身離開的時候we are the warriors that built this town.我們鑄就這座城池的勇士Here we are, don't turn away now,現在我們就站在這裏，絕不是轉身離開的時候we are the warriors that built this town.我們鑄就這座城池的勇士From Dust.即使從一片塵埃之中Here we are, don't turn away now,現在我們就站在這裏，絕不是轉身離開的時候we are the warriors that built this town.我們鑄就這座城池的勇士Here we are, don't turn away now,現在我們就站在這裏，絕不是轉身離開的時候we are the warriors that built this town.我們鑄就這座城池的勇士From Dust.即使從一片塵埃之中參考資料：英文歌詞來自2014年9月17日時長2分51秒的《Warriors》單曲。
