If you are concerned about your own account security, it is highly recommended to enable through your Riot Games account settings and use a unique password that hasn't been used on other sites.
The standard file format for credential stuffing tools. ⚠️ Security Risks and Implications 400K UHQ VALORANT COMBO.txt
Specifies the game these credentials are intended for (Riot Games accounts). If you are concerned about your own account
Files like these are often distributed in "cracking" or "leaking" forums. Using or downloading such files carries significant risks: 400K UHQ VALORANT COMBO.txt
Links claiming to offer these "combos" often contain stealer logs or trojans designed to infect the downloader's own computer.