First Aid; d20 vs HP of Damage Taken

Applying bandages, if undertaken immediately, may restore 1d4 HP
Roll 1d20 vs the number of HP of Damage Taken, wounds over 20 HP do not benefit
Clerics get +1 to attempt, and amount healed, no other Bonuses apply
Survival boost for low-level Characters 
Standard roll of bandages is 20 feet long, one foot required for each
HP of Damage Taken, need not be single piece

Item; Affinity Gauntlet, oh Snap!

Leather gauntlet(s) with open fingers, grants two magical effects...

The Shake: 1/day. wearer may cast Charm Person on anyone who willingly shakes their hand, duration 24hrs.

The Snap: also 1/day, wearer may snap their fingers at the beginning of an encounter, and half of those present will have a Reaction of friendly/affable, regardless of the Reaction of the rest of their group.  May lead to a grudging stalemate, or even an argument or in-fighting, while the Party takes sides... or just sneaks off!

One Save to Rule them All, Advantage by Class

XPLvl/HD        1        2        4        6        8        10        12       14        16        18...    
 BaseSave      16      15      14      13      12       11        10        9          8          7...    

Fighters

Advantage vs Mostly Dead Saves*, Poison/Venom, and Transformation Magic (Polymorph, Petrifaction, Withering)

*if using Death Save rules at negative HP

Magic Users

Advantage vs Spells, and most Magic Item effects

Clerics

Advantage vs all forms of Mental and Emotional influence or control, and vs magical Paralysis and Hold Spells

 
Thieves
Advantage vs Area Effects, Breath Weapons, and other Dodge-ables

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