Those are not tweak but cheat
There would be no fun to have the good and no bad

The manawall up could be an idea
But 15sec of astral/umbral ? Is that a joke ? We got from 10 to 12 and it's a huuuge improvment and you expect more ?
Why 15 ? Is there a use of those 3sec more ? 12 is sufficient for all fight

Mch and brd
Up to 35% ?!
30% was the double of the beginning and you ask for even more ? XD

...

Clearly dead no for all the proposed changes