Features
Offensive
Rampage (Barbarian) - PH2 49 - Once per round, when you score a critical hit with a barbarian attack power, you can immediately make a melee basic attack as a free action. You do not have to attack the same target that you scored a critical hit against.
Frenzied Blood (Frenzied Barbarian) - PH2 64 - If you spend an action point to make a melee attack and that attack misses, you deal half of that attack’s damage on the miss. This benefit does not apply to attacks that already deal damage on a miss.
Warpath (Frenzied Barbarian) - PH2 64 - Whenever you hit with a melee attack while raging, the attack deals 2 extra damage. In addition, whenever you start your turn adjacent to one or more enemies while you are raging and are able to take actions, you must make either a melee or a close attack against one of those enemies during your turn or be stunned until the end of your next turn.
Markings of the Victor (Heroic Feat) - PH2 187 - The first time you make an attack roll during each encounter, you can roll twice and use either result.
Powerful Charge (Heroic Feat) - PH1 199 - When you charge, you gain a +2 bonus to damage and a +2 bonus to bull rush attempts.
Thirsty Blade (Paragon Feat) - PP 146 - When you reduce an enemy to 0 hit points with a charge attack using an axe or a heavy blade, each enemy adjacent to you at the end of the charge takes damage equal to your Strength modifier.
Thundergod Weapon (Item) - AV1 80 - Your melee attacks deal +1d6 thunder damage when you charge.
Iron Armbands of Power (Item) - AV1 117 - Gain a +2 item bonus to melee damage rolls.
Boots of Adept Charging (Item) - AV1 126 - After charging, you can shift 1 square before your turn ends.
Backlash Tattoo (Item) - AV2 84 - The first time you're bloodied during an encounter, you can make a basic attack as an immediate reaction.
Horned Helm (Item) - PH1 249 - Your charge attacks deal an extra 1d6 damage
Defensive
Mountain’s Tenacity (Goliath) - PH2 12 - You have a +1 racial bonus to Will.
Barbarian Agility (Barbarian) - PH2 49 - While you are not wearing heavy armor, you gain a +1 bonus to AC and Reflex. The bonus increases to +2 at 11th level and +3 at 21st level.
Rageblood Vigor (Barbarian) - PH2 49 - Whenever your attack reduces an enemy to 0 hit points, you gain temporary hit points equal to your Constitution modifier. The number of temporary hit points equals 5 + your Constitution modifier at 11th level and 10 + your Constitution modifier at 21st level.
Improved Rageblood Vigor (Heroic Feat) - PH2 187 - You gain 5 additional temporary hit points from your Rageblood Vigor.
Hide Armor Expertise (Heroic Feat) - PP 137 - While wearing hide armor, you can use your Constitution modifier in place of your Dexterity or Intelligence modifier to determine your AC.
Markings of the Predator (Heroic Feat) - PP 140 - When you bloody a creature, you gain a +1 bonus to all defenses until the end of your next turn.
Rageblood Recovery (Paragon Feat) - PH 2 191 - When you hit with the charge attack granted by swift charge while you are raging, you can spend a healing surge as a free action.
Rageblood Armor (Item) - PH2 202 - When you use any barbarian rage power, you regain hit points equal to 10 + your Constitution modifier.
Amulet of Physical Resolve (Item) - AV1 148 - Gain a +2 item bonus to saving throws against effects with the poison keyword and effects that render you weakened, slowed, or immobilized.
Belt of Vigor (Item) - PH1 253 - You gain a +1 item bonus to your healing surge value.
Misc
Powerful Athlete (Goliath) - PH2 12 - When you make an Athletics check to jump or climb, roll twice and use either result.