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Video Game / The Thorium Mod

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The Thorium Mod is an expansive Game Mod for Terraria, created by DivermanSam. It is often considered one of the largest, most in-depth, and popular mods that exist for Terraria, and for good reason — it adds an incredible amount of content, including numerous NPCs, tons of enemies, two entirely new damage types, and several challenging new bosses.

The mod can be downloaded here.

The Thorium Mod contains examples of:

  • Ability Depletion Penalty: If the exhaustion meter for infinite throwing weapons fills up then the damage from those particular weapons are severely weakened and although continuing to throw won't reset the duration of the debuff, you will have to wait for it to expire, after which the meter is reset.
  • Adaptation Expansion: The Throwing damage type, barely utilized in Terraria proper to the point where it was removed from the game entirely in patch 1.4, is expanded into its own class in Thorium. The chief gimmick is Ninja-esque "Techniques" fueled by dealing Throwing damage, allowing a wide range of mutually exclusive secondary powers like throwing daggers, combat decoys, or teleportation.
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  • All Your Powers Combined: Each of the base gems, as well as ones added in Thorium, can be crafted into ring accessories boosting specific stats by small amounts, or earlygame magic weapons that inflict different debuffs. Each of them can be respectively combined into a single ring or weapon which combines and enhances all of their attributes and remain useful for a significant chunk of the game.
  • Anti-Frustration Features: Several, mostly centered around not having to wait for random events to trigger.
    • A player can pay the Desert Acolyte a single gold coin in order to trigger a sandstorm to appear.
    • A new item called the Blood Moon Medallion can be crafted relatively cheaply, and can be consumed to trigger a Blood Moon.
    • A Rain Stone can found in chests in the Abyssal Depths, and can be used to instantly make it start or stop raining.
    • The Golden Thread teleports you to the Dungeon's entrance.
    • Grim Pedestals allow the crafting of Demon Altar recipes without having to run to your nearest Demon Altar.
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  • A Winner Is You: Taking down the Primordials will permanently give you the Reality Bearer buff, which does nothing except show a fancy golden crown over your head.
  • Benevolent Monsters: The Globee is a rare enemy found within the Aquatic Depths biome. It swims directly towards the player when they are submerged in water, but, unlike most enemies, don't deal any contact damage. As these emit a fair amount of light, their entire purpose seems to be to aid the player's vision
  • Big Creepy-Crawlies: The Borean Strider, a giant icy spider. When it's killed, a few new types of giant spiders begin to appear in the spider nests.
  • Boss in Mook Clothing: Patch Werk and the Corspe Bloom, minibosses that spawn naturally in their home environments. Notably, neither of them respawn after being killed.
    • The Borean Strider counts as this. Despite the fact that it's a full-fledged boss, it can spawn naturally in Blizzards (having multiple active at once isn't too far-fetched) and doesn't even have an item to properly spawn it (said item just increases its spawn chances).
  • Chest Monster: Thorium adds the Coin Bag flavor to Terraria. They're not nearly as problematic as the actual Mimics, however, and they run away when you get close. It also adds three new variety of the standard chest mimics for the Underground Mushroom, Underworld, and Abyssal Depths biomes. There's even a mimic pet that can be bought from the Tracker.
  • Combat Medic: The Healer class has numerous support abilities that can keep teammates alive and healthy, but that doesn't stop them from being able to dish out some serious damage with their Radiant weapons.
  • Cthulhumanoid: The Whispering armor set gives the player the appearance of this.
  • Damage Over Time: The Shade Master armor's set bonus uses an odd variation of it, 50% of the damage you take is staggered over the next ten seconds, allowing you to tank massive damage with the caveat of it catching up to you later.
  • Distressed Dude: The Diverman NPC is found trapped inside the Queen Jellyfish, and you have to kill it in order to free him.
  • The End of the World as We Know It: Apparently the arrival of the Primordials will cause something akin to this.
  • Final Boss: The Primordials serves as the final boss of the mod.
  • Flaming Skulls: You can shoot them at enemies with the Almanac of Agony.
  • Gold Makes Everything Shiny: Three uncommon enemies in the Underground, Gilded Bat, Gilded Worg and Gilded Slime, are completely golden and emit such a strong light to completely illuminate the immediate area they're in. They also drop Gold Bars and Ores regardless if your world has Gold or Platinum in it, making them a good source of the stuff, and they also happen to be one of the targets for the Tracker's hunts.
  • Hunter of Monsters: The Tracker NPC seems to be this, though he mostly just hangs out at whatever house you build for him and sends you out to kill monsters.
  • Infinity +1 Sword: While pretty much anything made from the materials dropped by the Final Boss is this, special mention must go to the weapons that share the appropriate title of "Reality Breaker" (Quasar's Flare, Terrarian's Last Knife, Northern Light, and Black Midi). In addition, the Primordials' expert drops (Mjolnir and the Bow of Light) easily fall into this category.
  • Instrument of Murder: Being music-based fighters, pretty much all of a Bard's equipment falls into this category.
  • In the Hood: Several armor sets added by the mod include a hood, mostly the ones intended to be worn by Healers. The Lich also wears a hood during the first phase of its fight.
  • It May Help You on Your Quest: At the beginning of the game, a new player will spawn with a Family Heirloom which provides 1 Defense. It's advised to hold onto this, because you don't get another - and if you're playing on Expert, it's a vital ingredient to create the Mjolnir.
  • Joke Weapon: The Penguin Wand. Despite requiring an exorbitant amount of Penguin Head grinding and the game claiming its cataclysmic power could bring the Moon Lord to his knees, all it does is fire a decorative firework missile.
    • Lethal Joke Weapon: However, if you defeat the Primordials and (somehow) have the patience to grind out 999 Penguin Wands, they can be forged into the True Penguin Wand, which is said to be able to even defeat a reality ending dream eater with its apocalyptic power. Upon use...the weapon instantly transforms all entities in the world into Penguins. Yes, that includes all bosses (including endgame bosses from other mods). However, transformed enemies will only drop a Penguin's drops instead of their original ones).
  • Let's Get Dangerous!: The effect of the Danger Shard armor set, which gets more bonuses the longer you remain in combat.
  • Luckily, My Shield Will Protect Me: Thorium adds several Shield accessories made from base ores, which increase your base defense and provide slowly-regenerating Armor As Hitpoints.
  • Metal Slime: As said above, Coin Bag Mimics are these, as they try to run away from you. Defeat them, and you can aquire a good amount of money.
  • Musical Assassin: The entire Bard class is based around using musical instruments to lay waste to foes.
  • Ninja: Many of the items intended for throwers have this motif, including the Ninja Rack, Ninja Emblem, Kunai, Fungus Armor, and Shade Master Armor.
  • Non-Lethal K.O.: Unlike most bosses, the Grand Thunder Bird flies away when defeated rather than being slain outright. Supplementary material suggests it is (or was, perhaps) meant to play a larger role later in the mod's progression, and it's more interested in testing your abilities than battling to the death.
  • Non Standard Game Over: Dying to the Dream Eater will give you an unique death message.
  • Norse Mythology: In case the title didn't give it away, Thorium takes many cues from Norse myth. Besides the mineral Thorium itself (which is a real metal, by the way), the final boss used to be called the Ragnarok, and the ultimate weapon of the mod is the legendary Mjolnir.
  • Our Liches Are Different: The Lich is a massive, scythe-wielding skeleton that serves as a mid-hardmode boss.
  • Overheating: Infinite use throwing weapons this in the form of an exhaustion meter that fills up. When it does, damage from those weapons will be severely reduced until the debuff wears off. Accessories like the canteen reduce the exhaustion buildup.
  • Plague Doctor: One of the armor sets available for throwers in the Plague Doctor armor, which improves the effectiveness of gas grenades.
  • Shout-Out: Too many to supply a comprehensive list, but here's a quick summary.
    • The Hopping Spider is nearly identical in behavior to the Spider from Spelunky
    • Many of the names for the various NPCs are references, such as the Tracker sometimes being called Guts or the Chef being named after many famous chefs.
    • Nearly all of the items created by donators are references to another intellectual property, including Vicious Mockery and the Aeon Staff
  • Sinister Scythe: Scythes serve as the Weapon of Choice for the Healer class, dealing constant damage in a circle around them. The Lich boss also uses a large scythe dubbed the Soul Render (which is obtainable as a melee weapon after killing him).
  • Support Party Member:
    • Healers are this by default due to...well, healing and providing benefits to teammates. That doesn't say that they can't fight if needed, however.
    • The Bard class is also based around this, being able to provide potent buffs to themselves and all allies in the vicinity whenever they strike an enemy with their weapons. Unlike the Healer, however, Bards are much more suited for direct combat.
  • Supreme Chef: The Cook NPC seems to be able to cook up almost anything. He can even turn things like Rotten Chunks edible!
  • Token Heroic Orc: Two of the NPCs added by the mod, the Confused Zombie and the Weapon Master, belong to species that are normally hostile to the player.
  • Under the Sea: The Aquatic Depths, a biome unique to Thorium which spawns under the Ocean on whatever side the Jungle is.
  • Voluntary Shape Shifting: The Transformation items, which go in a player's mount slot and allow the player to transform into a certain animal.
  • Wicked Witch: The Hags, rare enemies who wield Elemental Powers. The Tracker implies that they're women who took shortcuts to trade their youth for magical might, and now try to steal the youth from others.

Alternative Title(s): Terraria Thorium


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