make multiple Kira's, possibly? all i can think of off the top of my head 
I don't think its that unbalanced, theres one kira who aims to kill L, one L who aims to kill Kira, and townspeople who can potentially kill both. L has just been lucky

I don't think its that unbalanced, theres one kira who aims to kill L, one L who aims to kill Kira, and townspeople who can potentially kill both. L has just been lucky

