I'm guessing Han's internalized that since the people in the game are real, that means as "Master Loki" he's had his teams kill thousands on the battlefield. So one or twenty more is not much of an addition; it's just him getting his own hands blo*** instead of having his soldiers do it.
The Galactic Navy Officer Becomes an Adventurer
by Takuma Tomomasa , A_Itoh
Available on mangabuddy for reading, and for sale at https://www.amazon.com/dp/B0BT6V7CMM
by Takuma Tomomasa , A_Itoh
Available on mangabuddy for reading, and for sale at https://www.amazon.com/dp/B0BT6V7CMM