it close to a addon and not a addon and heres lore for this one a person went to a lab and the dr say we are going to do test on you and then puts that person in the tube he shabed him with the needle the dr say dont worry it macks you stronger but there was a error in it and then the person started becomeing THE SEE_ER the dr was scard but the person who became THE_SEE_ER was mad and started killing people on sight so hes a stlker now and stalk you so you build a base it stalkt you and kills you that it
