World-of-warcraft – Do battlemasters in wow-classic (or wow) ever engage in combat

Each instance has a different number of enemies and it is the enemies that give the reputation, rather than the instance. The number of players in the party at the time does not influence the reputation gained so whether you solo the instance or not is irrelevant. In addition to this, the instances from The Burning Crusade expansion (Hellfire Ramparts, etc) will not benefit home faction standing at all.

Reputation gained is also affected by the following factors;

• If you are Human you will gain the 'Diplomacy' racial, adding 10% additional reputation
• Guild perks provide the 'Mr. Popularity' perk, which has two levels each adding 5% additional reputation (maximum of 10%)

In order to get solid numbers, the following questions need answers;

• What is your race
• What level is your guild
• Which instance are you clearing

Assuming a full clear, you should get the following reputation per clear of each instance, bare in mind that the instances with the highest reputation per clear may not be the fastest way to grind up a reputation, as this would need to take into consideration the time it takes to clear the instance:

Instance Name                        Reputation per clear

Ragefire Chasm                        483
Deadmines                             810
Shadowfang Keep Normal                548 
Stormwind Stockades                   515
Scarlet Monastery Graveyard           360
Scarlet Monastery Library             353
Scarlet Monastery Armory              287
Scarlet Monastery Cathedral           448
Uldaman                               981
Scholomance                           1261
Stratholme: Main Gate                 737
Zul'Farrak                            856
Stratholme: Service Entrance          917
Temple of Atal'Hakkar                 2330

For the context of the question (fastest way to get reputation from Classic dungeons) I have excluded the long winded/windy instances (Wailing Caverns, Maraudon, etc) as what we're looking for is the fastest way to generate reputation. Seemingly the fastest instance to gain reputation out of the Classic instances is Sunken Temple. After the remodelling at the start of Cataclysm a large portion of this instance has been removed, leaving it as a single level instance capable of generating 2330 reputation per run which each run taking approximately 15 minutes on a level 60.

For completeness, here are the reputation values you can get per run out of a Wrath of the Lich King instance on heroic mode:

Instance Name                        Reputation per clear (HEROIC)

Ahn'kahet: The Old Kingdom            2300
Azjol-Nerub                           1300
Culling of Stratholme                 1700
Drak'Tharon Keep                      2000
Gundrak                               2250
The Nexus                             2300
The Oculus                            1600
Trial of the Champion                 180
Violet Hold                           1300
Halls of Lightening                   2150
Halls of Stone                        1850
Utgarde Keep                          1950
Utgarde Pinnacle                      2000

It is worth completely avoiding the likes of Trial of the Champion due to the lack of enemies present in the instance, clearing a combination of either Azjol-Nerub and Ahn'kahet: The Old Kingdom OR The Utgarde instances (Keep and Pinnacle) would probably be the fastest way to generate reputation, with these groups of instances having their entrances situated next to each other and being reasonably quick to clear.

Taken right off of MMO Champion

Profession Perks:

Mining: Toughness (+480 Stamina)

Herbalism: Lifeblood (+480 Haste)

Skinning: Master of Anatomy (+480 Critical Strike)

Tailoring:

Swordguard Embroidery (-180 Critical Strike, Hit or -200 Stamina; +1,000 Attack Power)

Lightweave Embroidery (+320 Intellect)

Darkglow Embroidery (-180 Intellect +750 Spirit)

Leatherworking:

Fur Lining - Strength (+320 Strength)

Fur Lining - Agility (+320 Agility)

Fur Lining - Intellect (+320 Intellect)

Fur Lining - Stamina (-170 Mastery, Dodge; +750 Stamina)

Blacksmithing: Socket Bracer & Socket Gloves

+320 Strength, Agility, Intellect or

+480 Stamina or

+640 PvP Power, PvP Resilience, Mastery, Critical Strike, Haste, Hit, Expertise, Spirit, Dodge, Parry

Jewelcrafting: Jeweler's Facet*2

+320 Strength, Agility, Intellect, Mastery, Critical Strike, Haste, Hit, Expertise, Spirit, Dodge, Parry or

+480 Stamina or

+640 1/2/3 PvP Power, 1/2/3 PvP Resilience

Engineering:

Synapse Springs (+320 Strength, Agility, Intellect)

Phase Fingers (+480 Dodge)

Incendiary Fireworks Launcher (Incendiary Fireworks every 45 sec)

Cloak : Permanently attaches a specialized folding assembly to a cloak, allowing you to deploy a goblin glider and fall slowly for 30 sec. The glider has some initial thrust and allows you to turn while falling.

The cloak can only be used once every five minutes and requires an Engineering skill of at least 500 to operate.

Belt : Permanently attaches overpowered nitro boosts to your belt, allowing you to greatly increase run speed for 5 sec. They rarely explode violently, so don't worry about that.

The nitro boosts can only be activated every 3 minutes and require an Engineering skill of at least 400.

Enchanting:

Enchant Ring - Greater Strength (+320 Strength)

Enchant Ring - Greater Agility (+320 Agility)

Enchant Ring - Greater Intellect (+320 Intellect)

Enchant Ring - Greater Stamina (+480 Stamina)

Inscription:

Secret Tiger Fang Inscription (+320 Strength)

Secret Tiger Claw Inscription (+320 Agility)

Secret Crane Wing Inscription (+320 Intellect)

Secret Ox Horn Inscription (+480 Stamina)

Alchemy:

Alchemist's Flask (+320 Strength, Agility or Intellect)

Mixology: +320 Flask of Winter's Bite Strength, Flask of Spring Blossoms Agility, Flask of the Warm Sun Intellect or +480 Flask of the Earth Stamina, Flask of Falling Leaves Spirit