(Englisch is not my mother langueg and i have dyslexia)

HEy guys. i need a bitz help. i will start soon in a kampane that will go frome lvl 11 to 20.

The setting. We are in Hell. every player ha a sin adjason to one of the 9 hels.
i was planing on playing a artficer (armorer 4) and wizard (evocation 7)

Ouer dm already explain we have very hig fights and we shut look out for ouer defens

So with armorer arteficer my armor is my spell fokus for armorer spells. and i have replicat magic item (smoldering plate) and enhaced defens +1 schield. as warforge. with 22 ac. and the war caster feat

In wizard i have take as lvl 4 feat fey touche.

i was thinking maybe instant 3 armorer and 8 wizard... instant and let arteficer at 3 for 9th lvl spells... on the other hand i coude have 20 int at lvl 12 with 4 lvl arteficer...

We play point buy by the way
and my plan is hig defens (22ac) i have ruine background with though (for 86 hp at lvl 11)

My may spell woude be sickening radians

An sugegestions?

ore other fun classes?
I had playn many bards and meel chars latley so i want to have a somthing for distance. role dont matter (for heal we use the 2024 healing spells)

Edit

2 othe rbuild i Consider at the moment is a throwing ginat barbar with sharpshooter and thrown arms master feat vor 100 feet range
And a order cleric ore some multi class with order cleric.