i doubt jane the killer could handle them by herself (they have GOD In the facilty for flip sake They have fought the devil they have fought demons theses guys are better then the SAS or Navy seals Good day) 

it would take 2-5
make it equate 10 and your good

jane 6.88
jeff 6.87
Ben 2.31
EJ-4.51
LJ- 7.47
Sky or crimson or bell 3-5
Slendy 7.69
Trickster 6
Ticci toby or any proxy 4
Zalgo 8.666
Observer - 0.5 (HE CAN't INTERFERE)
Crow:6.41
Scp-173 3
Sally -2.5
895- 4.35