“ It's a semi-intelligent bipedal pig. ”
Pigs are neutral mobs that live in Pig Houses. Pigs are humanoid creatures with a hunched posture, and they wear grass skirts as their default clothing. Attacking a pig will aggravate it and all nearby pigs. Pigs drop 1 Meat or 1 Pig Skin upon death. They respawn from their houses 4 days after they have been killed. They are considered innocent creatures and killing one adds 3 points to the player's naughtiness level, which can cause Krampus to appear. Pigs will eat any Food item lying on the ground. If a Pig eats a Vegetable, Fruit, or Petals, either off the ground or received from the player, it will produce a pile of Manure, which it can do every 15 seconds. This makes them one of the main sources of Manure in the game. Pigs will also see Lureplant's meat lures as food, and will pick and eat the lure if they get close enough to the plant.
They take two blasts from the Ice Staff to be frozen, and two shots from a Sleep Dart to put under. Pigs, followers or wild ones, may be healed with any healing items. They will not die by darkness, starving or toxic food.
Guardian Pigs are aggressive Pigs that spawn from Pig Torches. They have higher Health than regular Pigs but drop the same resources. They cannot be bribed by Meat or attracted by One-man Band, making them appear to be very loyal to their Pig King.
If a Guardian Pig is dead, it will respawn at its Pig Torch after 3 days. In Sandbox Mode, they may be located seemingly in the middle of nowhere usually guarding small patches of Grass and Berry Bushes. While in Adventure Mode, they stay in the Pig Fortress, which is surrounded by Wood Walls. In world 4 of Adventure Mode, you can find 4 Pig Torches surrounding the Pig King instead of Obelisks. Sometimes the Guardian pigs will be protecting a Maxwell Statue, instead.
During a full moon or after eating 4 pieces of Monster Foods (Monster Meat Cooked Monster Meat Monster Jerky Monster Lasagna Durian Extra Smelly Durian), Pigs and Guardian Pigs will turn into Werepigs. A typical Werepig will transform back into a normal Pig after 4 game hours (shorter for Guardian Pigs) of being a Werepig or the start of the next day, whichever comes first.
Like most Monsters, they are hostile and will attack anything nearby (including other Pigs). Werepigs will stop to eat any Food on the ground and will produce Manure if they eat Fruits or Vegetables. Unlike normal Pigs, they will also eat raw Mandrakes. Werepigs take two blasts from the Ice Staff to be frozen. When killed, they drop 2 pieces of Meat and 1 Pig Skin.
With normal damage modifier characters, it takes 8, 9 and 11 hits with a Spear, 6, 8 and 9 with a Bat Bat, 5, 6 and 7 with a Tentacle Spike, 5, 6 and 6 with Ham Bat and Thulecite Club, and 4, 5 and 6 with a Dark Sword to kill a Pig, Guardian Pig and Werepig respectively. So if you decide to live near a pig village make sure you're prepared for what might come.
Feeding a pig any Meats, Eggs or meat-based food (even Pig Skins and Slurper Pelts ) will cause the pig to follow and help the player for (meat food hunger points × 19.2 seconds), up to 2.5 game days. For example, feeding a Morsel to a pig will cause the pig to follow the player for half a game day. If the Pig is aggressive towards the player, this will cause it to stop attacking. It is possible to attack following pigs by Ctrl-clicking on them. Upon attacking the following pig, the pig will become aggressive, and stop following the player. Feeding the pig meat will cause it to stop attacking, and feeding it another will cause it to follow again.
Friendly pigs will increase the player's sanity immensely when they are near the player; however, they will try to keep some distance unless they are sleeping or chopping trees. Pigs are only temporary followers, and when their loyalty time is about to expire, they will display a "hungry" animation, in which they pout and rub their bellies. Feeding the pig again at this point will reset its loyalty time. If loyalty time runs out and the player doesn't feed the pigs more meat, or the player happens to die and resurrect, they will return to their respective homes or wander around if they're homeless. Following Pigs can be used to assist in combat. Pigs are able to kite enemies, which is useful when picking off individuals, but may not be effective when fighting a large group of enemies. Simply issuing an attack command on the target, but then backing off without actually engaging the target, will send following Pigs to attack. This can be used to hunt neutral animals or kill hostile mobs without endangering the player. However, Pigs will attack all monsters, including Spiders, Tentacles, and Treeguards on sight, and there is no way to get them to stop fighting.
Pigs can also be employed to chop down trees. To make them chop trees, the player must hit any tree with an axe once. Pigs will keep chopping trees until the player runs a short distance away. If they cause a Treeguard to spawn, the Treeguard will attack them.
Free Pigs go back to their houses at dusk, while befriended and homeless Pigs become anxious and start to uncontrollably run around in search for light, as they fear the darkness. The player should quickly provide a light source such as a Torch or a Campfire in order to calm befriended Pigs. Once it is night, the Pigs will sleep beside the light source provided. In winter, Pigs will not sleep but will instead stay awake around the fire with normal dusk dialogue, while displaying a scared animation.
At night, if Pigs are not asleep yet, and Spiders or Batilisks are nearby, following Pigs will chase and attack them regardless of light level. After killing the targets, the Pigs will retreat back to a light source. Unfortunately, while fighting Spiders, the combat will cause a snowball effect, and other Spiders in the area will attack the Pigs. Both parties will continue to fight until one of the groups is wiped out. Any dropped meat or skin will be eaten by both parties during and after combat unless the player wishes to risk going into the battlefield to retrieve the items.
Follower pigs can still be damaged by tooth traps set by the player. However, setting off a tooth trap won't cause the following pig to become hostile. Therefore it is possible to have a pig follow you and lure them into tooth traps to kill them.
Guardian Pigs seem to have a certain degree of discipline, as they do not eat any food on the ground and stay near the Pig Torch to keep it lit. They will chase away normal Pigs if they stray too close to them.
Guardian Pigs' behaviour changes according to the location of their Pig Torch. If the torch is beside a Pig King, the guardians will reluctantly allow the player to stay and trade with their king. However, if the torch guards a fortress or is far from the king, the Guardian Pigs will pursue the player until they've run a certain distance from their torch.
Pigs can wear headgear items. Clicking on a Pig with a headgear item will equip it on the Pig.
If a Pig receives a head armor item, they will be able to receive its damage reduction effects. The durability will still be drained if the Pig gets damaged. Usually, the only way to get hats back from Pigs without killing them is to replace it with another hat, as fighting the Pig will break it before the Pig dies. Frogs can also make them drop a given hat too. The Pigs can also wear the Miner Hat; while wearing it, they will provide light and not panic during dusk, while also preventing other pigs from panicking.