I realize that the only way for me to survive in this place was either finding a way out, which is kinda impossible knowing that there probably is no exit from this cavern.
That left me with one option left, which was to kill all of the giant rats before the lantern lamp light faded out. Because that way I could at least reduce their numbers here and if my light does fade, I could probably survive as there are not many rats I need to fight in the dark.
Plus, I could also level up in this place by a lot and might obtain some skills that could help me in this situation I had. Kinda feel like this is an EXP place all of a sudden if I start to think that way... I guess this is the time for me to reach that level 60.
Even if I can't reach it, I might be able to hit level 50 here. As with estimation, there are probably hundreds of giant rats in this area. At least that is what I estimate their numbers would be...