The Shield Bearer Prestige Class

Prerequisites:

Base attack bonus: +4
Ability Scores: Str 13, Dex 13
Feats: Shield Proficiency, Weapon Focus (Shield)

Class Abilities:

Hit Die: d10

Skills:
Balance (Dex), Bluff (Cha), Craft (Int), Intimidate (Cha), Jump (Str), Profession (Wis), Ride (Dex), Sense Motive (Wis), Spot (Wis), Swim (Str), Tumble (Dex)
Skill Points per Level: 4 + Int Bonus

Proficiencies:
Light Armor, Medium Armor, Heavy Armor, Shields, Simple Weapons

Special Abilities:

Shield Tricks: A character in this class can attempt to use a shield in various acrobatic tricks, such as sliding down a flight of stairs on it. These tricks generally require a Balance or Tumble check, at the DM’s discretion.

Level BAB Fort Save Ref Save Will Save Special Abilities
1 +1+2 +2 +0 Two Weapon Fighting (shields) feat; Double Shielding feat; Shield Tricks
2 +2 +3 +3 +0 Shield Feat
3 +3 +3 +3 +1 Improved Shield Bash feat
4 +4 +4 +4 +1 Shield Feat
5 +5 +4 +4 +1 Missile Proof feat
6 +6/+1 +5 +5 +2 Shield Feat
7 +7/+2 +5 +5 +2 Retain Shield AC bonus while attacking
8 +8/+3 +6 +6 +2 Shield Feat
9 +9/+4 +6 +6 +3 +2 to Tumble, Balance checks for shield tricks
10 +10/+5 +7 +7 +3 Shield Feat

Shield feats information:

Prereq—Shield Proficiency (Players Handbook, pg. 85)
Prereq—Weapon Focus (Shields only) (Players Handbook, pg. 86)
Free—Double Shielding (Plot and Poison, pg. 91)
Free—Missile Proof (Ultimate Feats, pg. 55)
Free—Two Weapon Fighting (Shields only) (Players Handbook, pg. 86)
Free—Improved Shield Bash (Defenders of the Faith, pg. 20)

Accurate Attack (Ultimate Feats, pg. 25)
Bodyguard (Ultimate Feats, pg. 29)
----Draw Attack (Ultimate Feats, pg. 42)
Defensive Fighter (Ultimate Feats, pg. 38)
Expertise (Players Handbook, pg. 82)
Power Attack (Players Handbook, pg. 84)
----Improved Bull Rush (Players Handbook, pg. 82)
Shield Charge (Defenders of the Faith, pg. 20)
----Divine Shield (Defenders of the Faith, pg. 19—req. ability to turn undead)
Shield Focus (Ultimate Feats, pg. 65)
Shield Expertise (Ultimate Feats, pg. 65)
Shield Mastery (Ultimate Feats, pg. 65)
Humble Shield (Ultimate Feats, pg. 49—req. Improved Disarm feat)
Throw Anything (Sword and Fist, pg. 9)
Weapon Specialization (Players Handbook, pg. 86—Shields only)
Weapon Trip (Ultimate Feats, pg. 78)

Shields as Weapons (Players Handbook, pg.106):

Shield: Light Martial Bludgeoning Weapon
Medium-sized Creature:
----Small Shield: 1d3 damage, x2 critical
----Large Shield: 1d4 damage, x2 critical
Small-sized Creature:
----Small Shield: 1d2 damage, x2 critical
----Large Shield: 1d3 damage, x2 critical
Shield Spikes: 1d6 damage, x2 critical (regardless of character or shield size)

Notes: Only Small and Large shields may be used as weapons. Bucklers and Tower shields cannot be used for attacks. When you attack with a shield, you lose its AC bonus until your next action. Tower shields also cannot be wielded in two-weapon combat.