1) Add an option to dislay/not display the list of completed heroes at the top of the Heroes tab. After every 4 the spot you were clicking to upgrade heroes get dropped down.
2) Put the list of shards heroes in a different tab possibly? (the ones where you don't have enough shards to buy them yet). Scrolling all the way down past them to get the 'Grade'/'Altar' option is annoying.
3) When you fully upgrade an Artifact it should be put at the bottom of the list, or the top if preferred... just all upgraded in one group and all not upgraded in another..
Love the game, keep up the great work!
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Mordist, it's a very interesting idea :) Thanks a lot We will consider it for sure. Anyway, the game will сontinue to develop ;)