Your Top 5 RPG battle systems?
1. Final Fantasy X
2. Chrono Trigger
3. Mario & Luigi: Bowser's Inside Story
4. Pokemon Blue (One could argue the whole series for this, but Blue's my favorite and the one that started it all)
5. Chrono Cross
Top 5 RPG Attacks (non-spell)?
1. Omnislash (Cloud - FF7)
2. Lionheart (Squall - FF8)
3. Pulse Ammo (Irvine - FF8)
4. Mirror Slice (Claude - Star Ocean 2)
5. Blazing Dynamo (Dart - Legend Of Dragoon)
Top 5 RPG Spells?
1. Knights Of The Round (FF7)
2. Prism Stars (Genis & Raine - Tales of Symphonia)
3. Dark Eternal (Magus, Marle, & Lucca - Chrono Trigger)
4. Meteo (Rydia, FuSoYa, Palom, or Tellah - FF4)
5. PSI "Favorite Thing" Omega (Ness - Earthbound)
Top 5 D&D Abilities?
Did you mean abilities such as Strength/Constitution, etc.... Or abilities like Smite Evil, Call Lightning, etc?
Top 5 D&D Skills?
Again, need to make sure I give the right list before I answer here. Did you mean stuff like Climb/Swim/Listen/etc?
Top 5 D&D Feats?
1. Great Cleave
2. Quick Draw
3. Manyshot
4. Improved Critical
5. Eschew Materials
In a situation where you weren't going to Min / Max, and just build for fun, build a party in an FF and in D&D.
The most fun parties to me (disregarding a goal of having the easiest or the toughest quest possible) are usually the ones where everyone brings something different to the table. Most of the time I'd want a melee fighter, a healer, an offensive caster (or secondary fighter), and if more can be added it really depends on which FF game it is. In some of the titles, I ended up with the most powerful parties anyway. These are the parties I find the most fun to play as in most of the series' titles:
FF1
Fighter, Red Mage, White Mage, Black Mage
FF Legend
Male Human, Female Human, Male Mutant, Female Mutant
FF Legend 2
Male Mutant, Female Mutant, Robot, Monster
FF3 (Disregarding Ninjas and Sages due to how broken they are)
Knight, Summoner, Shaman, Warlock
FF4 (GBA Version)
Cecil, Kain, Yang, Rosa, Rydia
FF5 (Disregarding Mimes or Freelancers)
Knight (Bartz), Mystic Knight (Faris), White Mage (Reina), Summoner (Krile)
FF6
Terra, Locke, Edgar, Sabin
FF7
Cloud, Tifa, Cid
FF8
Squall, Irvine, Rinoa
FF9
Zidane, Steiner, Freya, Eiko
FFX
Tidus, Auron, Yuna
FF13
Lightning, Fang, Vanille
D&D (5 handler party)
Paladin, Fighter, Druid, Cleric, Rogue