What Enchants Go on What Gear

Here is the simple list showing every custom enchant in the game, where it goes, and what it does in plain English.

Helmets

Put these enchants on any helmet:

Enchant	Max Level	Rarity	What It Does
Nightsight	Level 1	Common	Gives you permanent Night Vision so you can see in the dark.
Gourmand	Level 2	Common	Slowly fills your food bar so you never starve.
Clarity	Level 2	Common	Stops you from getting blinded by squids or wardens.
Insight	Level 3	Rare	Lets you see glowing sparkles around invisible players.
Protection	Level 4	Vanilla	Makes you take less damage from all attacks.
Respiration	Level 3	Vanilla	Lets you breathe underwater much longer.
Aqua Affinity	Level 1	Vanilla	Lets you mine underwater at normal speed.
Unbreaking	Level 3	Vanilla	Makes your helmet last way longer before breaking.
Mending	Level 1	Vanilla	XP orbs repair your helmet automatically.

Put these enchants on any chestplate:

Enchant	Max Level	Rarity	What It Does
Overload	Level 2	Super Rare	Gives you 1 to 2 permanent extra red hearts!
Ironclad	Level 2	Rare	Stops enemies from knocking you back when they hit you.
Deflection	Level 3	Rare	Gives you a chance to bounce away incoming arrows with zero damage.
Inferno Plating	Level 3	Rare	Sets attackers on fire when they hit you with a sword.
Purity	Level 2	Common	Makes you immune to poison and wither effects.
Protection	Level 4	Vanilla	Makes you take less damage from all hits.
Thorns	Level 3	Vanilla	Hurts enemies back when they attack you.
Unbreaking	Level 3	Vanilla	Makes your chestplate last way longer.
Mending	Level 1	Vanilla	XP orbs repair your chestplate.

Put these enchants on any pair of leggings:

Enchant	Max Level	Rarity	What It Does
Evasion	Level 3	Rare	Gives you a chance to dodge sword attacks completely.
Adrenaline	Level 3	Rare	Gives you a speed boost when someone hits you so you can escape.
Rejuvenation	Level 2	Rare	Slowly heals your hearts after you avoid taking damage for a few seconds.
Protection	Level 4	Vanilla	Reduces all incoming damage.
Swift Sneak	Level 3	Vanilla	Lets you walk fast while crouching.
Unbreaking	Level 3	Vanilla	Makes your pants last way longer.
Mending	Level 1	Vanilla	XP orbs repair your pants.

Put these enchants on any boots:

Enchant	Max Level	Rarity	What It Does
Swiftness	Level 2	Common	Makes you run faster all the time.
Springs	Level 2	Common	Lets you jump higher all the time.
Stomp	Level 2	Rare	Takes less fall damage and creates a ground slam that hurts nearby mobs.
Feather Falling	Level 4	Vanilla	Reduces fall damage so you do not die from high drops.
Depth Strider	Level 3	Vanilla	Lets you swim and walk through water at normal walking speed.
Soul Speed	Level 3	Vanilla	Lets you run super fast on soul sand.
Protection	Level 4	Vanilla	Reduces all incoming damage.
Unbreaking	Level 3	Vanilla	Makes your boots last way longer.
Mending	Level 1	Vanilla	XP orbs repair your boots.

Put these enchants on your swords:

Enchant	Max Level	Rarity	What It Does
Life Steal	Level 3	Super Rare	Steals health from enemies and gives you extra golden hearts.
Bleed	Level 3	Super Rare	Makes enemies bleed and take damage every second.
Triumph	Level 3	Super Rare	Heals your hearts instantly whenever you defeat an enemy.
Berserker	Level 1	Super Rare	Gives you super strength and speed when you are low on hearts.
Thunderstrike	Level 3	Rare	Summons a lightning bolt from the sky to zap your target.
Executioner	Level 3	Rare	Does massive extra damage to enemies that are low on health.
Backstab	Level 3	Rare	Does bonus damage when you hit someone from behind.
Bloodlust	Level 3	Rare	Hits do more damage each time you hit without missing.
Wither Blade	Level 3	Rare	Gives enemies the black wither effect when you hit them.
Blinding	Level 2	Rare	Blinds your target so they cannot see you for a moment.
Venom	Level 3	Common	Poisons enemies on hit.
Frostbite	Level 3	Common	Freezes enemies with Slowness so they cannot run away.
Wisdom	Level 3	Common	Gives you way more XP orbs when killing mobs.
Feast	Level 3	Common	Fills your food bar when you kill a mob.
Sharpness	Level 5	Vanilla	Makes your sword do more damage on every hit.
Fire Aspect	Level 2	Vanilla	Sets mobs on fire when you hit them.
Looting	Level 3	Vanilla	Makes mobs drop way more items.
Unbreaking	Level 3	Vanilla	Makes your sword last way longer.
Mending	Level 1	Vanilla	XP orbs repair your sword.

Put these enchants on your battle axes:

Enchant	Max Level	Rarity	What It Does
Cleave	Level 3	Super Rare	Hits all nearby enemies in front of you in one big swing.
Uppercut	Level 2	Rare	Launches enemies flying high up into the air.
Sunder	Level 3	Rare	Breaks down the enemy's armor durability faster.
Telekinesis	Level 1	Common	Cut wood goes directly into your inventory instead of falling.
Efficiency	Level 5	Vanilla	Cuts down trees super fast.
Sharpness	Level 5	Vanilla	Increases axe melee damage.

Put these enchants on your bows:

Enchant	Weapon	Rarity	What It Does
Exploding Arrows	Bow & Crossbow	Super Rare	Arrows explode on impact like TNT.
Volley	Bow & Crossbow	Super Rare	Shoots multiple extra arrows in a spread.
Headshot	Bow	Rare	Does huge bonus damage if you hit the enemy in the head.
Marksman	Bow	Rare	Does more damage the farther away your target is.
Levitate	Bow	Rare	Makes your target float up into the sky when hit.
Harpoon	Crossbow	Rare	Pulls enemies straight toward you like a grappling hook.
Conservation	Bow & Crossbow	Common	Gives you a chance to shoot without using up your arrows.
Tracer	Bow & Crossbow	Common	Makes targets glow through walls for a few seconds.
Power	Bow	Vanilla	Makes your arrows hit much harder.
Infinity	Bow	Vanilla	Shoot unlimited arrows as long as you have 1 arrow.

Put these enchants on your mining tools:

Enchant	Tool	Rarity	What It Does
Excavator	Pickaxe & Shovel	Super Rare	Mines out a big 3x3 square of blocks in one single swing!
Smelting	Pickaxe	Common	Automatically turns iron and gold ore into cooked ingots.
Telekinesis	Pickaxe & Shovel	Common	Mined ores and blocks fly directly into your inventory.
Haste	Pickaxe & Shovel	Common	Gives you the Haste mining speed boost while holding it.
Efficiency	Pickaxe & Shovel	Vanilla	Mines blocks way faster.
Fortune	Pickaxe & Shovel	Vanilla	Gives you more diamonds, coal, and lapis per ore block.
Silk Touch	Pickaxe & Shovel	Vanilla	Drops the exact block (like glass, ice, or stone).

Put these enchants on the heavy mace:

Enchant	Rarity	What It Does
Gravity Well	Super Rare	Pulls all nearby players and mobs toward where you slam down.
Aftershock	Rare	Creates a ground shockwave that slows down anyone near your hit.
Wind Burst	Vanilla	Bounces you back up into the air when you hit someone from above.
Density	Vanilla	Does way more damage the higher up you fall from.
Breach	Vanilla	Ignores a chunk of the enemy's armor so your hit hurts more.