Undead Battler of Eastern Kingdoms

Undead

For all EK, Kalimdor and Northrend Family Battlers - Undead I used the same team

Blightbreath (Dreaful Breath, Any, Acid Rain)
Fragment of Anger (Seethe, Spiritfire Beam, Soulrush)
Zomstrok (Infected Claw, Any, Carpnado)

I used Acid Rain into Dreadful Breath as much as possible. When Blightbreath died, I used Spiritfire Beam, then Soulrush > Seethe. When Fragment of Anger died, I used Carpnado to clean up whatever was left. Most of the time I didn't need the Zomstrok.

When I vs'd Major Payne, I started with Zomstrok instead then immediately swapped to Blightbreath once stunned. Focus all your big damage abilities on the bear.

The NPC's for the Family Battler of Eastern Kingdoms achievement can be found in the following locations from the north to south:
It doesn't seem that besides going up to level 25 there are any changes to the pets. Zunta still uses two pets which are both common in rarity when engaged with a full level 25 team.

Notes:
The battles are daily, this means that to complete the meta you will need to revisit the trainers for a total of 10 days.
And to avoid anything not completing it seem it is best to complete these on an alliance character.

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• Deiza Plaguehorn in Eastern Plaguelands. Her pets are Beast - Beast - Undead.
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• David Kosse in The Hinterlands. His pets are Beast - Magic - Critter.
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• Kortas Darkhammer in Searing Gorge. His 3 pets are Dragonkins.
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• Durin Darkhammer in Burning Steppes. His pets are Flying - Critter - Elemental.
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• Lindsay in Redridge Mountains. She uses 3 Critter pets.
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• Everessa in Swamp of Sorrows. Her pets are Beast - Aquatic - Flying.
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• Lydia Accoste in Deadwind Pass next to Karazhan tower. Her pets are Undead - Elemental - Undead.
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• Julia Stevens in Elwynn Forest. She seems to be using 2 Beast pets.
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• Old MacDonald in Westfall. His pets are Flying - Mechanical - Critter.
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• Eric Davidson in Duskwood. He uses 3 Beast pets.
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• Steven Lisbane in Northern Stranglethorn Vale. His pets are Magic -Beast - Beast.
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• Bill Buckler in The Cape of Stranglethorn. His pets are Humanoid - Flying - Flying.
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Quick list for Paste/Tomtom:

/way #23 67.0 52.4 Deiza Plaguehorn
/way #26 62.8 54.6 David Kosse
/way #32 35.6 27.8 Kortas Darkhammer
/way #36 25.6 47.6 Durin Darkhammer
/way #49 33.2 52.6 Lindsay
/way #51 76.6 41.6 Everessa
/way #42 40.2 76.6 Lydia Accoste
/way #37 41.6 83.6 Julia Stevens
/way #52 60.8 18.6 Old MacDonald
/way #47 20.2 44.2 Eric Davidson
/way #50 46.0 40.6 Steven Lisbane
/way #210 51.6 73.4 Bill Buckler


For Kortas Darkhammer, Blightbreath can solo the fight with little trouble.

I went with 1/1/2 ,

Round 1: Toxic Smoke
Round 2: Bash
Veridia comes in

Then simply alternate Dreadful Breath and Toxic Smoke, which will kill off the back two and quickly focuses down Veridia after they fall.