LazyBot was impressive in its prime (2013–2015), but today it’s a relic. It can still farm mobs or gather herbs if you’re careful, but modern alternatives are safer and more efficient. Use it only on disposable accounts for educational or nostalgic purposes.
Avoid on any server you care about. If you must bot 3.3.5a, look into actively maintained bots with evasion features. lazybot for wow 3.3.5a