I made this concept over a year ago, my thought process back then was about pushing past 5 talents that many heroes had to 6-7 talents. As you can see in other comments my position is "screw the lore, gameplay matters" as I still think 1 impressive hero is better then 2 mediocre ones.

Heroes of the storm isn't exactly lore friendly and Malfurions legs are bear legs anyway? Its more for the concept and essentially putting 4 heroes into 1 for the fun of it then about the lore.

The problem with varian and multiclassing (atm, since theres only 1 example) is that he doesnt really come into his own until level 10, as level 4 is nowhere extreme enough to really showcase the ability to multiclass, and your suggestions with 1-7 do not seem to really help offset this issue. Overall the concept does feel a bit generic and has problems with not really being a multiclass until later on, but I LOVE the mount option (even if unstoppable seems unbalanced) and Sacrafice of...