Keros is a legacy player of the Mega Man RPG Prototype with a current battle point total of 3,357,753 and a zenny total of 376. Keros created his account on December 20th, 2014 and has since completed 3 player campaigns, unlocked 34 robot masters, learned 81 special abilities, found 37 different inventory items, and collected 20 elemental stars. Keros's top five most-used robot masters are Bubble Man, Disco, Bass, Ring Man, and Proto Man.

Prior to the battle point reboot of 2016, Keros had amassed a grand total of 18,161,335 battle points and reached 160th place.

Prior to the battle point reboot of 2019, Keros had amassed a grand total of 26,978,675 battle points and reached 189th place.