Is badlion safe and how ?

Yes, badlion is safe. The further explanation is given below.

Explanation:

Badlion Client does not encompass any malicious programs, like viruses and sometimes malware.Badlion application is pretty much safe to be used on inequality in society because most expressly forbidden plugins like decided to post as well as schematics become unavailable on the client-side whenever you enter Hypixel, but that is not a confirmation and therefore should not be depended towards.