Per 
Art by sunnyclockwork
Item: SCP-6668 (the monster)
Object Class: Keter
Special Containment Procedures: keep SCP-6668 under constant illumination and should be injected with class A amnestics(including enzyme Y-909) daily. SCP-6668’s containment chamber should be guarded by several MTF units at all times.
Description: SCP-6668 is a highly intelligent reptilian humanoid. SCP-6668’s height and mass can drastically change depending the entity’s preference. It’s usual range of height is between 6 and 18 feet tall. It has also been seen augmenting it’s own muscle mass (see addendum omega-3). The entity has been seen talking to multiple staff during interviews. said staff have reported that his voice always seems as if he’s thinking or to be more precise, gathering information.
Addendum omega-1: after a recent containment breach caused by SCP-682, Mobile Task Force epsilon-11, Nu-7, Tau-5 were sent to siteXXXX to recontain several SCP including SCP-682. When Nu-7 and Tau-5 caught up to SCP-682 they saw it conversing with SCP-6668. Both entities seemed to be talking in an forgotten language that was indiscernible to the MTF units there. After noticing the mtf units they both attacked simultaneously killing most of Samsara and 12 members of Hammer down. But by the end of it they were both contained by the foundation at [REDACTED]
Addendum omega-2: after SCP-6668’s containment foundation personnel were authorized to have SCP-2247 interview the entity.
It went as such
“What are you?”
A Monster.
“Why were you speaking with scp-682?”
To relay informatio…(visible aggravation).
..I guess I can’t hide the truth of that from YOU for very long…
I was relaying information to the leviathan.
“What were you telling The Hard To Destroy Reptile?”
Information.
“…..ok then”
“Why would you know the name of what SCP-682 really is?”
……Because I am not all that different in comparison.
“Seeing that your not all that different from SCP-682, Am I talking to an avatar of something greater?”
Yes.
“Do you have something to do with the scarlet king and if yes what?”
Yes, a sibling.
“If your sibling is the Scarlet king who is your father?”
He Who Made Dark.
“So then what really are you?”
A monster, a god whatever description is put on me I Don’t care but know this for I am the first monster.
(End log)
Addendum omega-3: after several interviews SCP-6668 was shown to be getting aggravated so it was put back in heavy containment. Minutes later video feed showed the entity tearing off its own skin revealing a black mass underneath and within seconds it’s muscle mass was shown to be approximately 4 times that of the time he was being interviewed. It then began tearing through its containment cell and causing the light to go out. MTF were there to try and stop the entity but it just [REDACTED] now with the lights off it seemed to be able to move at high speeds the highest speed seen so far is 60mph. As soon as the lights were fixed by [REDACTED] SCP-6668 was stunned and vulnerable, The black mass that was SCP-6668 was visibly seen burning until it regrow its scales allowing onsite personnel to recontain it. (End log)
“POEM OF THE DARK”
He who made dark wished to create more than just abyss so he created death something truly inescapable so it could never truly leave him, then from the success of the first son he wanted to create another but this one was different for it was a monster, but soon after its creation he who made light put it into a deep slumber for he feared the first monster. Now after the sadness of never getting to speak with his second son again, he made a third this one was cunning but pained, but most of all ambitious. The third son would become the first Tyrant he would be known as the Scarlet King.
