Is Hela actually good when played “correctly”?

I’ve heard a lot of people Hela is extremely weak but I’ve also heard people say Hela is extremely good when played correctly, however I can’t find a single video that explains how to play Hela correctly. Do you guys mind explaining how to play her correctly?
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She has the potencial to do a lot of damage via her furies and her passive armor break, and some additional synergies to avoid her fury buffs from expire quickly.
On top of that, she relies on timing the specials and heavy attacks in order to not get hit while doing them.
Basically, charge heavy to gain fury buffs, release special when opponent is dashing at you to avoid getting hit, play agressively in order to not lose the furies, and release a special 2. Each hit will do 20k with no crit
With 5-6 furies and passive armor break from Sp2, she will be hitting like an absolute beast.