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Logo-TC 40 Aura Mechanics contains information about the ThaumCraft 2 mod.
This information may not apply to the later ThaumCraft 3 version.

This is a summary of all items and entities that effect vis and taint charge in a chunk.

ItemAura Charge EffectTaint Charge EffectNotes
Arcane Seal +1All seals currently doing something charge taint, with exceptions below.
Arcane Seal: Dark, Magic, Magic/None +1The nullification seal only increases taint charge if it is currently nullifying non zero amounts of aura and taint.
Arcane Seal: Magic, Magic/None, Magic/None +1Only increases taint charge when recharging the chunk's thaumic machine boost value.
Arcane Seal: Air, Dark, Any +4The taint charge is only +1 for teleported items.
Arcane Singularity SpecialSpecialThe aura charge is increased by one third of the smelting value of all the blocks destroyed by the singularity. The taint charge is increased by one quarter of the smelting value.
Arcane Furnace +2The taint charge is only applicable when items are being smelted.
Crucible SpecialFor each item smelted, the taint charge increases by 10% of that items value, rounded down.
Crucible of Souls +1
Crystal Ore - UntaintedSpecialSpecial+1 aura charge if the aura in the chunk is less than 10% of the maximum. +5 taint charge if destroyed.
Crystal Ore - TaintedSpecial+1 taint charge if the taint in the chunk is less than 10% of the maximum. +5 aura charge if destroyed.
Crystalline Bell +2*+2*The bell increases taint charge when used on non-taint clusters. It increases aura charge if used on tainted crystal clusters.
Concentrated Vis Concentrated Vis does not affect the aura charge, but increases the aura by 150 vis.
Concentrated Taint +25Concentrated taint adds tainted areas in a sphere around the impact of radius 3.
Dark Infuser +2The taint is repeatedly charged based on the time it takes to infuse the item.
Monolith+1
Occultic Enchanter SpecialThe taint charge is one third of the (average?) level of each enchantment applied to the item.
Potion of Purity +25A potion of purity also removes tainted areas in a sphere around the impact of radius 4.
Portable Hole +1
Silverwood Leaves -1Player placed leaves still deteriorate, unlike normal Minecraft leaves.
Silverwood Log +1-1Silverwood logs only charge the aura if the taint is charged.
Tainted Log -1+1Tainted logs only charge the taint if the aura is charged.
Taint Seed / Spore Pod -2/3+1/3After popping, 2/3rds of the time reduces aura charge by -1, 1/3rd increases taint charge by +1. This loops 20 times, then it must start growing again.
Tainted Villager+1 to +4Tainted villagers also directly taint blocks.
Thaumic Crystalizer +5Taint charge is once per crystal produced.
Thaumic Duplicator SpecialThe taint is charged by one twentieth of the vis cost to duplicate the item.
Thaumic Enchanter SpecialThe taint charge is one half the equivalent player xp level.
Thaumic Generator +1Only when emitting power.
Thaumic Infuser +1The taint is repeatedly charged based on the time it takes to infuse the item.
Thaumic Restorer +1The taint is repeatedly charged based on the time it takes to repair the item.
Totem of Dawn +2A totem of dawn prevents and reverses tainted ground in a 5x5x5 cube centred on the totem.
Totem of Dusk +3A totem of dusk taints blocks in a 3x3x3 cube centred on the totem.
Vis Filter Vis Filters only affect taint, not taint charge.
Void Bracelet +25*The void bracelet increases the taint charge in departure and arrival chunks. If they are the same chunk it compounds to +50.

Finally, if taint charge is greater than 50% and aura charge is zero then the aura in the chunk will begin to deplete.


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