Per 
Item #: SCP-4017
Object Class: Keter
Special Containment Procedures: SCP-4017 is contained in a soundproof room/airtight room and is provided a corpse every day for good behavior, no contact is to be made with SCP-4017 any attempt to talk to it Subject will be terminated. SCP-4017 will attempt to breach other SCPs once it's out. All keycards are taken from guards when entering SCP-4017's containment chamber.
Description: SCP-4017 is a shadow figure which can shrink and grow, SCP-4017's touch can burn anything beside's titanium, and keycard's.
Addendum: SCP-4017 was discovered in a burnt house, it was extremely difficult to capture due to it's invisibility and it's touch.
SCP-4017 is also capable of going through glass and door's except for steel.
