Darkness boost

Sin enters the Biom And the Gate colour

change into RED!. That means it's not a D-rank Biom it's a S-RANK BIOM!. They enter the Biom and their captain Khalar said "They all are weak let's go!" suddenly a giant arrow shoots Sin sees the arro react very fast and breaks the arrow he was thinking ( How can I break the arrow I'm only F-rank fighter?)

suddenly a wave of arrow shoots There was thousands of arrow every one was scared.Khalar fastly moves and break 784 arrows! then he knows that he's gonna die he guickly run but he can't escape the massecare there 2peole alive Sin and a girl then they run and run they can't escape.

(Oh! you need a boost up)

Sin's eyes get blue and ( I WILL KILL YOU ALL FUCK YOU!) He's speed is like light! .In 1 second he kills 105 in 1 min he kills 6300 monsters.only 100th monsters are alive in 0.99 they all are dead.Then the Dark energy slowly disappearing Sin's body is normal now