If you counter it, the person who filed the claim gets your personal information. You’re also in the wrong for uploading a similar copy of a ROBLOX limited.
Roblox filed a DMCA against you because you’re infringing on their Intellectual Property (IP). They also fully own the trademark for “Dominus”. They are fully within their right to file against you as they own the Copyright to the Dominus Series on Roblox.
Also there is a name listed. It’s listed in the message you’re showing.