This video breaks down the process of ascending your heroes from basic to legendary.
I also have a Discord that is full of Last Fortress Info:
/ discord
I discuss all the tabs in the satellite nexus (the place you go to recruit and ascend heroes).
Including:
Ascend
Reset
Disassemble
revert
Explains why the auto ascender tool is not your friend!
I discuss the best way to ascend heroes so you don't waste shards
A way to get hero shards via the arena
How to Lock a hero so you don't accidentally delete them
(side note you can still reset them to level 1 but it prevents you from accidentally using them to ascend other heroes and losing all your progress).
Technique on using blue shards that will boost your ability to get stars on your heroes.
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Some additional helpful videos:
Destruction Crew line up
• Destruction Crew Lineup Last Fortress
Alliance Duel Tips and Tricks
• Last Fortress Alliance Duel Tips and Tricks
Hero Contracts Explained
• Hero Contracts Explained in Last Fortress