Great Wyrm Theodorix is a Field boss in Elden Ring. This lizard-type dragon is one of the few you will face in Mountaintops of the Giants. Great Wyrm Theodorix resembles Magma Wyrm Makar in many aspects, such as appearance and moveset. As this boss is scaled for the end game, approaching it early on can prove to be troublesome.

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The boss is located in Consecrated Snowfield near the Cave of Forlorn. After defeating it, you can climb the area behind it to find an Ancient Dragon Smithing Stone. Here is all you need to know about Great Wyrm Theodorix.

Great Wyrm Theodorix Overview

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Great Wyrm Theodorix is located beneath the Albinauric Rise in Consecrated Snowfields. After riding to the East, you will find the Cave of Forlorn and, outside it, the dragon sleeping. The boss is completely optional and will not affect any ending in the game whatsoever. The area around the boss is filled with Giant Crabs and Giant Octopi. Defeating the boss will earn you 180,000 Runes and three Dragon Hearts. You will also unlock a new Draconic power in the Cathedral of Dragon Communion located in Caelid.

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Great Wyrm Theodorix Attacks

The boss has the same moveset as Magma Wyrm Makar that you face in Ruin-Strewn Precipice in Liurnia of the Lakes. The only considerable difference between the bosses is their health. As you face Great Wyrm Theodorix later on in the game, it has a higher health bar.

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Strategies

There are two main strategies for this boss fight:

Melee Strategy

For the melee strategy, you need to stay behind the boss or towards any of the sides. Most of the attacks the boss performs are from the front. Some examples of these are the Magma Breath and the Charge. In order to do these attacks, the boss will have to turn around to face you before executing the attack. Torrent is a very good option for this fight. You can swiftly move around the boss getting behind it and getting constant attacks in. You can easily run away from the Magma Breath and the weapon slam attacks.

Another good tactic to use revolves around the Octopi that are located around the area. Now, as the boss moves a lot, you can attract these enemies, making the fight harder for you. So you will have to deal with them before the fight starts so that you can do not have to deal with both the boss and enemies at the same time. However, there is also another way you can make use of the Octopi in the boss fight. The boss itself can aggro the Octopus allowing you to reach the boss's back and get a couple of hits in. The Octopus will also damage the boss before the boss one-shots it. After the first Octopus dies, you can ride to the second Octopus in the area and lure the boss to it and repeat the same tactic. You can do this until all the enemies in the area die and the boss takes a fair amount of damage.

The boss, during the second phase, stands up to coat its weapon in Magma. This is a great chance for you to get behind it and position yourself for countless hits. The boss will now take less time to turn around, but its slow weapon slams will give you enough time to counterattack. The boss is quite weak against Physical Strike and Thrust Damage, allowing the use of Rapiers and Thrusting Swords to be useful.

Ranged Strategy

For the ranged strategy, you need to stay away from the boss and cast your spells until it does the charge attack. If you are going Faith Build, then using Lightning Spells like Fortissax's Lightning Spear and Lightning Spear are your best options. Avoid using Fire Incantations mainly because of the boss's high resistance against it. For Sorcery users, Meteorite, Rock Sling, and Comet Azur are good options you can go for.

There is a cheese strategy for ranged players who are facing issues in the fight. You need to navigate yourself to the area behind the boss by jumping using your Torrent. You will see an item on a corpse here which is the Ancient Dragon Smithing Stone. Once you obtain this crafting material, look behind to see the boss below you. The boss is unable to hit you with most of its attacks allowing you to cast long spells like Comet Azur to deal serious damage to the boss. You can also summon a Tanky Spirit who will go down to the boss and aggro it while you cast spells from above totally safe.

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General Tips

• Be Level 80 or Higher.
• Stay behind the boss at all times to avoid most of its attacks.
• Clear the Octopus enemies near the boss before the fight.
• Bring the Flamedrake Talisman for the fight to boost your fire damage negation.
• The boss has easy-to-tell attacks giving you time to react to them.

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Next: Elden Ring: Complete Guide And Walkthrough