Just want to clarify that having Improved Unarmed Strike feat on gloves is pointless, because the fact of having gloves equipped already disables AOO provoking. Perhaps Cleave would be better? It's thematic and adds some value to the gloves being used by non-monks.

Just one correction if I may. It's better be, fore example, +2 piercing longsword, or +2 slashing warhammer, due to the damage stacking mechanics. If additional damage type is the same as base damage type of the weapon then it will not stack with MW and GMW.

It's OOC undead, not IG undead, so I don't see any reason for outlawing them. And goody types will be not happy about them in any case.

Shadows, while not being an undead, technically exhibit similar properties. I suggest changing shadows (2 and 4 circle summons, not sure about others) race from the Outsider to the Undead as it opens possibility for more synergy between spells, and give Clerics and Paladins opportunity to Turn these summons.

An example, vanilla shadows marked as Undead. https://nwn.fandom.com/wiki/Shadow

Added along the basic quest rewards suggestion.

Added to the list:

Webbed maze need the exit points established in some of the dead ends to be fun. Something like "This ancient device can relocate you to the entrance.", or "Spirits of the forest propose to lead you to the entrance.", or "This ranger can use a shortcut to lead you to the entrance." I understand that it is a maze, but the most frustration point is not even getting inside of it, it\s all about constantly thinking about the mindbogglingly boring way back.

It might be just my opinion, though from what I've seen players generally agree, but having trash instead of useful items for the sake of fetch quest was never worth it. It's always frustrating to open a loot container, number of which is very limited in lowbie quests, just to find a single toy top, or empty bottle.
Fetch quests wasn't making this stuff useful, it was always trash.

Most of the 4-6 quests. Pixies, Mushroom Druid, Alleys, Kraliqh House, Heroic Plumbers from what is instantly remembered. Not sure about Haunted Mansion, Historic Farmlands, Dwarven Embassy, Graveyard Ops, Fire Cave or Clover Market quests. Don't remember.
Trash includes Empty Bottles, Empty Ale Steins, Toy Tops, Belladonna without magic weapon charges, Fruits without properties, Cabbage without properties. Maybe there's more. People don't take these items so they are easy to forgot.

What Morui said. There's also plentiful loot rewards if your character have enough perception, additional gold, healing supplies mixing bench.
Then there's resting area at the end of the second quest.
And third quest (beholder lair) is a magic failure zone due to the beholder presence.

Oh, I think I understand. Example will be the Orb quest series from EFU.