Please only write posts in english.
There are tutorials for heroic talents and hero skills. For heroes there are always videos posted by players on youtube.
There are no OFFICIAL tutorials for that. And by tutorials I mean description of what they actually do. I asked this since it came out on November (?) 2016 and you still can't make it available. You asked for a stupid poll, I made it, many voted yes, and still no actual GOOD descriptions, everything is always let to imagination.