The strength of the insect race can be roughly judged by their size. Those insects the size of a fist pose no threat to cultivators at all. Those the size of a washbasin are roughly equivalent to cultivators of two or three levels. But those as tall as humans should be treated with caution, because they are most likely six or seven-level insect creatures.
Afternhong, he was completely safe and benefited greatly. His cultivation and spiritual sense improved significantly, not to mention the significant enhancement in the quality of his inherent dharma source...