Thaddius Guide for the Curse of Naxxramas

Thaddius is the fourth and final boss of the Construct Quarter, the fourth wing of the Curse of Naxxramas. Most of the information in this guide is aimed at Heroic mode, but everything presented here can also be helpful to defeat the Normal mode of the boss.

Health, Hero Power, Cards, Etc.

	Normal	Heroic
Health	30	45
Hero Power	Polarity Shift is on auto cast (it costs 0 mana) and swap the Attack and Health of all minions.
Deck	2x Forked Lightning 2x Lightning Bolt 2x Zombie Chow 2x Acidic Swamp Ooze 2x Haunted Creeper 2x Nerubian Egg 2x Supercharge 2x Dark Cultist 2x Lightning Storm 2x Shade of Naxxramas 2x Stoneskin Gargoyle 2x Unbound Elemental 4x Sludge Belcher 2x Spectral Knight
Extra		A 7/4 Stalagg and a 4/7 Feugen appear on the board on Thaddius' first turn, with no text (meaning that they will not summon Thaddius after they both die).

Video

We put up a video on Youtube to show you how to defeat Thaddius.

Strategy and Deck Building

When building a deck to beat Thaddius, your main focus will be dealing with Feugen and Stalagg at the start of the encounter. Since they are without Deathrattle, they will have no interaction with your own Feugen and Stalagg, should you decide to play these cards.

The easiest way to deal with Thaddius' Feugen and Stalagg is to play Big Game Hunter and other similar class cards, such as Corruption, Soulfire, Naturalize and Shadow Word: Death.

Since Thaddius' Polarity Shift is on auto-cast, Nerubian Egg will always immediately be changed into a 4/4 Nerubian and you will gain early value on the board.

To help you beat Thaddius, we created the three decks presented below. You can also get some inspiration from them to create decks for other classes.

3.1.

Druid Thaddius Deck

Druid Cards	Neutral Cards
2x Innervate 2x Naturalize 2x Power of the Wild 2x Wrath 1x Healing Touch 2x Keeper of the Grove 1x Poison Seeds 2x Swipe 2x Druid of the Claw 1x Force of Nature 1x Starfall 1x Ancient of Lore	2x Nerubian Egg 2x Big Game Hunter 1x Feugen 1x Loatheb 2x Spectral Knight 1x Stalagg 1x Stampeding Kodo 1x Sunwalker

3.2.

Priest Thaddius Deck

Priest Cards	Neutral Cards
2x Holy Smite 2x Inner Fire 2x Power Word: Shield 2x Divine Spirit 2x Lightwell 2x Shadow Word: Pain 2x Dark Cultist 2x Shadow Word: Death 2x Holy Nova 2x Holy Fire	2x Nerubian Egg 2x Deathlord 1x Mind Control Tech 1x Baron Rivendare 2x Big Game Hunter 1x Feugen 1x Stalagg

3.3.

Warlock Thaddius Deck

Warlock Cards	Neutral Cards
2x Corruption 2x Soulfire 1x Shadowflame	2x Leper Gnome 2x Undertaker 2x Zombie Chow 2x Dire Wolf Alpha 2x Haunted Creeper 2x Loot Hoarder 2x Nerubian Egg 2x Unstable Ghoul 2x Dancing Swords 2x Harvest Golem 1x Baron Rivendare 2x Big Game Hunter 1x Feugen 1x Stalagg

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