I have leveled up a char with a friend and our toons have survived despite upgrading to AoM and then FG and going through all those patches. Yes, it has taken us 3+ years, because we only play off and on. But lately we have been able to increase the frequency due to reasons…
Yes, and still there is much to learn. In my case:
- Playing as and building for a team
- Managing not only my own, but also my friend’s build, because he is a noob
That was still a rare issue (happened too often though), and was recently fixed. Oh, yes, you probably have not heard of it. 