Durability

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Durability is a game-concept which limits the amount of usage an item or structure has. It generally applies to items which can be equipped, however there are some other items such as the Sewing Kit or Pan Flute which also have it. An item with durability can be identified by a percentage number in front of its inventory graphic. For example, an Axe will have a 100% over its icon when first created, and this number will change as the Axe is used. Different items use durability in different ways:

Tools

Tools lose durability whenever they are used for their specific actions and in the same way as weapons do when attacking something. The 3 most common Tools (Axe, Pickaxe, and Shovel) also have special versions with a much higher durability (Luxury Axe, Opulent Pickaxe, and Regal Shovel respectively).

Name	# of Uses	Special
	100	Chops down trees.
	400	Chops down trees.
	33	Mines mineable objects.
	132	Mines mineable objects.
	25	Digs up plants.
	100	Digs up plants.
	200	Digs up turfs.
	75	Deconstructs structures.
	5	Fixes up degraded clothing.
	400 as Axe (and weapon), 134 as Pickaxe	Chops trees and mines mineable objects.
	10	Makes up to 5 Beefalo follow the player.

Light emitters

Light emitting items gradually run out of fuel. Some of them can be refueled while others are done for. Miner Hat and Fire Pit for instance can be refueled when they run out of juice, while Torch and Pumpkin Lantern are done for in that case.

Name	Burn time	Special
	4.5 min	Provides light and warmth.
	6 min	Provides efficient light and warmth.
	75 sec	Illuminates a small area and gives a little warmth.
	1 Day	Provides light.
	10 min in Summer, 13 min 20 sec in Winter	Illuminates a small area.
	1 Day	Provides light.
	11 min 40 sec	Provides light, drains sanity.

Survival items

Survival items lose durability when used by the player or when triggered by mobs. Some of them can be used as weapons but will lose durability much faster.

Name	# of Uses	Special
	8	Captures Birds.
	8	Captures rabbits and other small animals.
	3	Restores sanity and health at the expense of hunger.
	6	Restores sanity and health at the expense of hunger.
	20 (Only when attacking)	Prevents sanity loss from rain.
	10 (4 when attacking)	Catches insects.
	9 (3 when attacking)	Captures fish and eels in ponds.
	20	Grows seeds.
	30	Grows seeds faster.

Weapons

Weapons use Durability to determine the number of times they can hit something before breaking. A Spear for example losses 0.66% of its durability each time it is used to attack something, allowing it to be used 150 times. Each weapon has a different number of uses.

Name	# of Uses	Special
	150
	Unlimited	Spoils like food in 10 days.
	100	Dropped by Tentacles.
	100	Drains Sanity.
	10	Ranged, must be caught.
	75	Leeches health at cost of sanity.
	10	Damages mobs that walk over it.
	150	Spawns shadow tentacles on hit
	10	Puts nearby mobs to sleep.

Protection

Protective items include Armors and Walls. Armors are items worn by the player. Armor's durability functions like extra Health for the character wearing it. Each type of Armor (Grass Suit, Log Suit, or Marble Suit) can absorb a certain amount of damage before breaking (225, 450, and 1050 respectively). When a character is hit, the armor takes a percentage of the total damage and the characters health takes the remainder. The number show on the armor's inventory icon is not actually the amount of damage it can still absorb, but the percentage of its own starting health (for example if a Grass Suit shows it has 50% durability left, it can still absorb 112 damage before breaking). Walls can be placed to protect or limit access to an area from other mobs. They can be attacked and destroyed, but can be repaired and even upgraded to last longer. Stone Walls and Thulecite Walls are the only non-flammable walls.

Name	% Absorbed	Durability	Special
	60%	225
	80%	450
	95%	1050	30% Speed Reduction.
	95%	750	Drains Sanity.
	80%	1050	Absorbs 100% damage while hiding inside.
	90%	1800	Moderate sanity gain.
	80%	450
	80%	750	Only protects against Bees and Killer Bees.
	90%	750
	90%	1200	Summons protective forcefield.
	100%	50-100	Flammable.
	100%	100-200	Flammable.
	100%	200-400	Non-flammable.
	100%	500-800	Non-flammable.

Clothing

The durability of clothing indicates the amount of wear-and-tear the clothing has suffered. When equipped, a piece of clothing will gradually wear out, and its durability will decrease. Each clothing item wears at a different rate, so if a vest and a hat are equipped at the same time, one may wear out before the other. Additionally, clothing is the only item type which can have its durability restored, which is done by using the Sewing Kit.

Name	Wear Time	Special
	6 Days	Minor sanity gain, spoils like food.
	10 Days	Moderate sanity gain, minor insulation.
	15 Days	Mediocre sanity gain, minor insulation.
	15 Days	Mediocre sanity gain, great insulation.
	5 Days	Minor insulation.
	8 Days	Moderate sanity gain.
	8 Days	More birds land, mediocre sanity gain.
	10 Days	Minor sanity gain, moderate insulation.
	10 Days	Massive insulation, Beefalo don't attack during mating season.
	25 Days	Massive sanity gain, great insulation.
	8 Days	Hunger loss is slowed by 60%, mediocre sanity gain.
	3 min	Makes up to 9 followers out of Pigs and Bunnymen at the expense of sanity.
	2 min	Makes followers out of Spiders at the expense of sanity.

Amulets and staves

Staves lose durability when they are used while Amulets usually lose it over time while being worn. Chilled Amulets and Nightmare Amulets wear out in the same way as clothing, staves wear out as weapons or tools and Life Giving Amulet will lose durability itself by healing the character every 30 seconds if their health is not full.

Name	Wear Time/No. of uses	Special
	20 uses (healing) 1 (resurrection)	Converts 5 hunger points and 5% of its durability into 5 HP. Revives the player on death. Minor sanity gain.
	6 min	Drops body temperature, can freeze attacking mobs. Minor sanity gain.
	4 min	The character experiences insanity, minor sanity loss.
	225 uses	Picks up items on the ground automatically.
	8 min	Provides light and speed boost, minor sanity gain.
	5 uses	Items require half the resources to be built, minor sanity gain.
	20 uses	Sets burnable objects and mobs on fire.
	20 uses	Freezes monsters and animals.
	5 uses	Teleports a mob or the character to a random location or to a Telelocator Focus if built.
	20 uses	Teleports the player to cursor if available, boosts speed.
	20 uses	Summons a star to provide light, and heat, with a big sanity aura.
	5 uses	Destroys a structure or item for up to 100% of items, minus gems.

Books

Books are exclusive items to Wickerbottom. Each one of them has a different amount of uses and their own special effect.

Name	No. of uses	Special
	3	Spawns 30 birds in a ring formation.
	5	Regrows picked plants, advances trees in their life cycle, immediately makes crops harvestable.
	5	Puts nearby mobs to sleep.
	5	Causes 16 lightning strikes around the player.
	5	Summons 3 tentacles.

Note : Any item or structure not listed above has either 1 or unlimited uses.