"Perfect Elemental Abilities"  

Everyone had no choice but to rely on Delph regarding this matter since Delph still had other abilities and his other abilities were also good for self-protection. 

The energy that the boy would spend would only be the one related to the hallucination fog, so the group didn't worry about other things. 

Soon, the snowball monster received a new 'command' from the content of the illusion and it obediently rolled forward, pulling the sleigh that was tied to its small limbs. 

The rope was flexible to a certain extent, so even if the monster rolled around like that, the rope didn't get entangled or anything and the group smoothly left their initial place, going to the top of the mountain. 

Since the group had captured the Snowball monster alive, Celia's mission was considered half-fulfilled and now, everyone basically tried to find a lone, stray Snow Ape to complete Delph's mission.