Scp foundation.

*eyes glow red as corruption spreads further* hehe... you think these chains can hold me?

*guard tightens grip on tranq rifle* The chains are reinforced with anomalous materials. We've contained worse.

*binary code drips from smile* worse? like what... 682? *leans forward* i've killed worse than your pet lizard

*the lead guard's expression hardens* We've heard that before. *signals to a researcher* Bring up 682's file. Let's see how your 'immortality' holds up against something that adapts.

Adapt? Isn’t that Mahoragas job…

*guards stare in confusion* Mahoraga? *the lead guard frowns* What are you talking about? We're talking about SCP-682, the Hard-to-Kill Lizard.