KarinsDad said:Say you have two fighters using the same weapon and with the same 40% chance to hit.
Lose:
-2 AC (-1 size, -1 Dex)
Hypersmurf said:Let's say the Enlarged fighter, who seeks to make the most of his Reach, has the Spring Attack feat.
...
Only if his Dex bonus doesn't exceed the Max Dex bonus of his armor.
KarinsDad said:7) Enlarge Person increases the weight of all weapons, armor, and equipment by a factor of * 8 which will almost definitely slow down the enlarged character.

(Dungeons & Dragons)
Rulebook featuring "high magic" options, including a host of new spells.