-add ability to aim attacks at head/limbs and weak points have "SIZE/DEX" affect hit chance, shooting at a 30 foot ogre from 7 feet away should not yield a substancial miss % should also add more diversity for combat and rogues..
hit chance in every d&d edition is an abstraction for both difficulty to actually hit and for difficulty to deal damage after a hit. Thats why a full plate + shield fighter is not taking damage, not because is dodgin but because is absorbing the blow. Unfortunately this abstraction is more times than not forgot and hit chance is represented just like that.
I know i would rather have split this behaviour between a Defense rating and an Absorb rating, but tha'ts all we've got in this system. So your hit hit chance against an ogre is more likely your damage chance against his thick hide
for the aimed shot part, i would be interested to see some adaptation to it, but i fear it would break apart class and feats balance: if i can impose a flat to hit penality with my fighter and dealing damage, so much spells and class features become worthless.
You have a potential to make a good game, here don't listen to the purists this game doesn't translate properly to 5e the purists are not in the best interest of good gaming
sigh. Again, 5e is a carefully designed game system with most of its pieces balanced against the other. You begin modifying some pieces, cracks begins to manifest in the system. You saw how surfaces are breaking the game? They disregard AC and Saves dealing multiple instaces of damages, but thats' throughfully explained by better english speakers than me.
You propose multiple sources of flat modifiers, like armors and aimed shots. Im not against those just because i think 5e is perfection made tabletop game, i just urge great caution and lots of testing before changing such a core mechanic of a system. AC and to hit are designed to have a value floor and a value ceiling: your class, abilities, magic, items, even extraordinary circumstances were all designed to remain whithin those two boundaries.
Unfortunately, Larian is long gone design phase, aint no more room in development cycle do go back design, implement, test and fix the whole system again. They cant but remove their features or add tabletot ones at this point
more diversity in range weapons.
tabletop has so much throwable options, and all of them use Strenght to hit and damage: axes, javelins, hammers, even spears and tridents. Best part of it they can be used as a one handed melee weapon also.
This game sorely miss those ranged str options 5e gave to pure melee players