What level can I start using queen and walk?
Would depend on your TH level. Lower level queens relative to the maximum would be infeasible against higher THs, e.g. a level 20 queen would not do a very good walk against a TH12, but can do a decent walk against TH9s and possibly lower TH10.
15 is a good starting point for TH9 walks, but you might want to get it to at least 25 for TH10, 35-40 for TH11 and 45-50 for TH12 (the higher, the better)
I max my heros always before i upgrade th
Im th9 and my Queen is 14 right now
You could start at level 15, but don't expect miracles. In our clans we often advise to start around level 20 (and with maxed healers for the TH level)
Max healer is at th11
Of course I meant for the TH level, sorry if that wasn't clear from my 'for the TH level'?
I have lvl 4 healers so it is maxed for th9. My Queen is going to lvl15 AS we speek
What do you think?