what was ekisting to the castle in it

when walking in of the castle i saw a missteeriousslenderman a slenderman not being to the prezident or of an cthulu... it charged forward to me and attack with a tree that it ripped out of the ground the missteeriousslenderman he tried impale of me with a tree that he had ripped up to out of the ground. he also tried to holow out my stomak after but sherlock shot to him and hurt him so he stopped to it i slashed hiom with my sword of fiteing and he died huh that was vereymaney wierds....