Read Before Posting: Rules, Guides, Megathreads & Resources! Welcome to /r/ summonerswar! Check out the Notice before posting. Skills. Leader Skill: Increases the Attack Speed of ally monsters with Dark attribute by 30%. Skill 1: Ninja Stars [%]: Throws ninja stars to attack and inflicts. "Oh my gosh did you see the dark ninja?! he's so cool!!" by Mandizzle April 13, 5 7. Mug icon. The Urban Dictionary Mug. One side has the word, one side.