Aggro, short for aggression, is an invisible statistic that determines the distance at which enemies will begin to attack the player.
All enemies target the player based on criteria set in their AI. Most will constantly try for a target, while others may only target if the player is in water, for example.
Armor and other items that "increase/decrease enemy targeting" cause enemies to consider a player to be closer or farther away than they actually are. Certain accessories, armor, and other sources in the Calamity Mod affect Aggro.
Source | Aggro change |
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Rogue stealth | Aggro is decreased based on visibility to a cap of -900 |
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-750 (while being eaten) |
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In stealth mode, aggro is decreased based on visibility to a cap of -750 |
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-700 (also reduces Abyss detection) |
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-450 (also reduces Abyss detection) |
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-200 (Reaver Headgear, also reduces Abyss detection) |
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-200 |
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+100 (Wulfrum Helm) |
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+200 (Victide Helm) |
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+300 (Aerospec Helm) |
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+400 (Statigel Helm) |
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+500 (Daedalus Helm) |
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+600 (Reaver Helm) |
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+700 (Hydrothermic Helm) |
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+800 (Tarragon Helm) |
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+900 (Bloodflare Ram Mask) |
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+1000 (God Slayer Horned Greathelm) |
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With guard activated, aggro is quickly increased to a cap of +1,100 |
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With guard activated, aggro is quickly increased to a cap of +1,100 |
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+1,200 (Auric Tesla Royal Helm) |
Notes
- Aggro reductions of -750 (or more) nearly guarantee the player will not be targeted.
- Enemies in the Abyss have their own unique detection radius system, independent of Aggro, which can be affected by items such as Anechoic Coating and Abyssal Diving Suit as well as the Luminous Corvina enemy.
- Despite this, being eaten by Colossal Squid decreases Aggro rather than the Abyss creatures' unique detection radii.
Game mechanics | |||||||||
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Combat | Damage Reduction • Defense damage • Hit Sounds • Immunity frames • Lifesteal • Minions • Proficiency • Rogue | ||||||||
Environment | Biome backgrounds • Events • Music • Status messages | ||||||||
Events | Acid Rain • Boss Rush | ||||||||
Items | Alternative crafting ingredients • Charge • Consumable • Crafting stations (By Hand) • Drops • Modifiers • Rarity • Recipes • Vanilla item recipes | ||||||||
Game | AI • Boss Health Bar • Configuration options • Death Mode • Fishing • Game controls • Lore • Malice Mode • Revengeance Mode • Vanilla changes | ||||||||
Player | Adrenaline Meter • Aggro • Buffs and Debuffs • Death Prevention • Defense • Rage Meter |