My opinion on the matter is that they are combining a few different things to catch people. My assumption based on how I botted a rp from 0 to 150 was that they look at your online time and your hunting activity and chat logs. Most people don't log onto tibia for 9 hours, go to crystal spiders and use 3-5 spells and never say anything or enter private chats etc. I could be VERY wrong on this but it's just what I am thinking. Like online times, if you bot during a Monday for 8-12 hours, that would raise a huge flag to me because either a, your suppose to be in school or b, working (most people today, not saying people don't stay home). So regular above normal times spent online during the week are something I'd assume they'd be checking. All while I botted I would enter world chats, private, etc if I wasn't afk (which I didn't do often). Only reason I got banned was a paid script from nakuu had one of those Swiss Army knife tool things instead of a rope and I couldn't figure it out, so my character tried to use something it didn't have for an hour with me noticing.