not too sure how to ask for advice, i play overwatch and play projectile / hitscan heroes. so- im not too sure what i need to say specifically for advice (first time)
#how to improve with palm and mix or wrist / arm aim?
dense vigil
quiet garnet
the same way as everything
practice
To give you a more specific answer any type of aim training scenarios will typically use a mix of them, and as you improve you'll start to build intuition as to when it's appropriate to use your arm more, and when to use your wrist/fingers more.
The training that we have available in #resources will do just that, and if you want something more custom you can always adjust the training to your needs, and/or ask the community for pointers.
quiet garnet
To give you a more specific answer any type of aim training scenarios will typic...
As a general guideline larger movements tend to be more arm heavy, as it's easier to make large swipes. Finer adjustments are typically more wrist/fingers as it's easier to make small motions.
Your sens will also have an impact on this, slower sensitivities are going to be more arm dominant, and faster ones more wrist/finger.