Fighter AI
Fighter AI is an AI type used by a variety of enemies. Some Fighter AI enemies are able to open doors and Tall Gates(Desktop, Console and Mobile versions).
Behavior
An NPC with the Fighter AI exhibits the following behavior:
- Directly chases the player.
- Jumps when necessary or if player is above them enough.
- Navigates through platforms.
Opening doors and Tall Gates
Some fighters are capable of opening doors and Tall Gates that are in their way to reach the player. When in front of one, they "hit" it () every second and open it after a certain number of hits.
Most fighters can open doors and Tall Gates at any time, while others can only do so during a Blood Moon. They are listed below.[1]
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Number of hits
Generally, fighters will open a door on the second hit (i.e. after 2 seconds) and a Tall Gate on the fifth hit (i.e. after 5 seconds). However, there are a few exceptions:[2]
Butchers(Desktop, Console and Mobile versions) will open doors and Tall Gates on the first hit (i.e. after 1 second).
Angry Bones (all variants) will open doors on the first hit (i.e. after 1 second) and Tall Gates on the second hit (i.e. after 2 seconds).
Goblin Thieves will open Tall Gates on the fourth hit (i.e. after 4 seconds).
The number of hits is reset if the enemy walks away from the door/Tall Gate before opening it. For example, if a fighter hits a Tall Gate three times and then walks away, it will need to hit it five times anew in order to open it.
Notes
- The Goblin Peon is unique in that it always destroys doors (but not Tall Gates) instead of opening them.
- Doors can only be opened in the direction the enemy is facing. If the other side is obstructed, e.g. by a block or background object like a Work Bench, then they cannot be opened. Goblin Peons can still destroy doors in this case, however.
Tips
- A level piece of land is ideal for battling fighters. A fast attacking or heavy knockback-inducing weapon is recommended. A magic weapon which can pierce through enemies multiple times (or indefinitely) is most effective when the player has all fighters lined up.
- As Fighter AI enemies always try to maintain the same height as their target, creating a large pit with a bridge of platforms (and then standing lower than this bridge) will cause Fighter AI enemies to fall right through it.
- Many Fighter AI enemies are exceptionally vulnerable to the Confused debuff, making them walk away from the player.
List of NPCs with Fighter AI
Alien Hornet(Desktop, Console and Mobile versions)
Alien Larva(Desktop, Console and Mobile versions)
Alien Queen(Desktop, Console and Mobile versions)
Angry Bones
Anomura Fungus
Antlion Charger(Desktop, Console and Mobile versions)
Antlion Larva(Desktop, Console and Mobile versions)
Armored Skeleton
Armored Viking
Basilisk(Desktop, Console and Mobile versions)
Black Recluse
Blood Crawler
Blood Mummy(Desktop, Console and Mobile versions)
Blood Zombie(Desktop, Console and Mobile versions)
Blue Armored Bones
Bone Lee
Brain Scrambler(Desktop, Console and Mobile versions)
Butcher(Desktop, Console and Mobile versions)
Chaos Elemental
Clown
Cochineal Beetle
Corrupt Bunny
Corrupt Penguin
Crab
Crawdad(Desktop, Console and Mobile versions)
Creature from the Deep(Desktop, Console and Mobile versions)
Cultist Archer
Cyan Beetle
Dark Mummy
Doctor Bones
Dr. Man Fly(Desktop, Console and Mobile versions)
Drakanian(Desktop, Console and Mobile versions)
Drakomire(Desktop, Console and Mobile versions)
Dreamer Ghoul(Desktop, Console and Mobile versions)
Elf Archer
Eyezor
Face Monster
Frankenstein
Fritz(Desktop, Console and Mobile versions)
Frozen Zombie
Ghoul(Desktop, Console and Mobile versions)
Giant Antlion Charger(Desktop, Console and Mobile versions)
Gigazapper(Desktop, Console and Mobile versions)
Gingerbread Man
Gnome(Desktop, Console and Mobile versions)
Goblin Archer
Goblin Peon
Goblin Scout
Goblin Thief
Goblin Warlock(Desktop, Console and Mobile versions)
Goblin Warrior
Granite Golem(Desktop, Console and Mobile versions)
Gray Grunt(Desktop, Console and Mobile versions)
Hell Armored Bones
Hoplite(Desktop, Console and Mobile versions)
Ice Golem
Icy Merman
Jungle Creeper
Krampus
Lac Beetle
Lamia(Desktop, Console and Mobile versions)
Light Mummy
Lihzahrd
Maggot Zombie(Desktop, Console and Mobile versions)
Martian Engineer(Desktop, Console and Mobile versions)
Martian Officer(Desktop, Console and Mobile versions)
Martian Walker(Desktop, Console and Mobile versions)
Medusa(Desktop, Console and Mobile versions)
Mummy
Mushi Ladybug
Nailhead(Desktop, Console and Mobile versions)
Nutcracker
Nymph
Paladin
Pirate Captain
Pirate Corsair
Pirate Crossbower
Pirate Deadeye
Pirate Deckhand
Possessed Armor
Predictor(Desktop, Console and Mobile versions)
Psycho(Desktop, Console and Mobile versions)
Raincoat Zombie
Ray Gunner(Desktop, Console and Mobile versions)
Rock Golem(Desktop, Console and Mobile versions)
Rusty Armored Bones
Salamander(Desktop, Console and Mobile versions)
Sand Poacher(Desktop, Console and Mobile versions)
Scarecrow
Scutlix(Desktop, Console and Mobile versions)
Sea Snail
Selenian(Desktop, Console and Mobile versions)
Shadow Mummy(Old-gen console and 3DS versions)
Skeleton
Skeleton Archer
Skeleton Commando
Skeleton Sniper
Snow Flinx
Spectral Mummy(Old-gen console and 3DS versions)
Splinterling
Spore Skeleton(Desktop, Console and Mobile versions)
Spore Zombie
Stargazer(Desktop, Console and Mobile versions)
Storm Diver(Desktop, Console and Mobile versions)
Swamp Thing
Tactical Skeleton
Tainted Ghoul(Desktop, Console and Mobile versions)
The Bride(Desktop, Console and Mobile versions)
The Groom
The Possessed(Desktop, Console and Mobile versions)
The Torch God(Desktop, Console and Mobile versions)
Tortured Soul(Desktop, Console and Mobile versions)
Twinkle Popper(Desktop, Console and Mobile versions)
Undead Miner
Undead Viking
Vampire
Vicious Bunny(Desktop, Console and Mobile versions)
Vicious Penguin(Desktop, Console and Mobile versions)
Vile Ghoul(Desktop, Console and Mobile versions)
Vortexian(Desktop, Console and Mobile versions)
Wall Creeper
Werewolf
Yeti
Zombie
Zombie Elf
Zombie Merman(Desktop, Console and Mobile versions)
History
- Desktop 1.4.0.1: The following enemies can no longer open doors and Tall Gates except during a Blood Moon and rarely randomly in a Graveyard: Skeleton (and all of its variants), Undead Miner, Armored Skeleton, and Armored Viking.
- Desktop-Release: Introduced.
- Console-Release: Introduced.
- Switch 1.0.711.6: Introduced.
- Mobile-Release: Introduced.
- 3DS-Release: Introduced.