Daisy
Over the span of the past ten days, the four groups from the gymnasium steadfastly adhered to their established outing schedule, and with each outing, they steadily increased their levels.
Within the gymnasium, their remarkable progress did not go unnoticed. It sparked a newfound interest among other survivors, prompting them to volunteer and join the ranks of these experienced groups. Recognizing the potential in these fresh recruits, the original members decided to help raise the survivors' levels.
The seasoned members of the groups, aware of the rising threat levels in the outside world, would skillfully engage the zombies and beasts, weakening them to a level where the newcomers could contribute to the battle and gain experience and levels. Through this collaborative effort, the newer members began accumulating levels faster and increasing the collective levels.