D&D (2024) How balanced would be this feat?

[Horwath]

Sounds like the 3.5 feat monkey grip but maybe a bit worse

not worse as Monkey grip kept damage(well you lost the +1.5 str mod) and got -2 attack penalty.

I think that feat is good but to make it clearer:

+1 str, dex or con

you treat 2Handed weapons as 1Handed with reduction in damage:
2d6/d12->d10, d10->d8, d8->d6

you treat non-Light 1Handed weapons as Light weapons.

you use Versatile damage die of 1Handed weapons when you use them 1Handed

when you use Versatile weapons 2Handed increase Versatile damage die by 1 step
d8->d10, d10->d12


translated, outside some other feat interactions or masteries:
battleaxe and greataxe will both have same damage used either 1Handed or 2Handed.

 

[Not a Decepticon]

Let's see what it actually does:

• Javelins, flails, morning stars, rapiers, war picks, maces and unarmed strikes can be used as Light weapons
• Quarterstaffs, spears, battleaxes, longswords, warhammers and tridents all do the highest damage die when used one-handed
• Great clubs, crossbows, bows, polearms, great swords, great axes, lances and mauls can be used one-handed (with a damage die penalty)

Combined with the revised rules for Two-Weapon Fighting ...

As in, too weak or too powerful?

Sounds like the 3.5 feat monkey grip but maybe a bit worse

Yeah, I was aiming for Monkey Grip equivalent at first, then went further.