If you've been attacked by slenderman join this group

Slenderman, an unknown creatre that has been a refelction of the so called Der Ritter, Who kills for a living and lives mainly in forests. Have any info about this...thing, Please type it in chat. (Playjorism will not be tolerated, if you copy and paste make sure you give us the link as well), Be safe, and remember, If you see this creature, Just run!