New player solo on a multi world

I started dofus a month ago, followed a friend who told me to play on Salar, and I'm having a blast reaching lvl 100 yesterday.

However my friend is a casual, and I've been struggling to solo dungeon bosses from lvl 60 onwards. I realized at this time that most players around are multi account so they dont need or want to team up, and discovered that there are mono account servers for people like me...

What do you advice for a newbie relatively casual who dont want to multi acc for now. Can I have fun playing mono account on this multi world ? Or should I move to a monoaccount server while I havent invested too much ? What other tips do you have ?

Thanks for the advice !