Items
Items stack. The line under each name is the pickup text. Some items stay locked until a lifetime goal is done, and boss items drop from that boss only.
Common

Hashira Training Regimen
Corps drills. Attack faster.

Poisoned Kunai
Chance to bleed on hit.

Observation Haki Lens
See the opening. Crit chance up.

Leef Village Sandals
Move faster.

Wisteria Spores
Stand still to heal nearby allies.

Cursed Energy Barrier
Gain a regenerating shield.

Meat on the Bone
Feast. Max HP up.

Demon Blood Vial
Kills heal you.

Thunderclap Charm
First strike hits harder.

Flame Breathing Ember
Kills burn nearby enemies.

Paper Bomb Tag
Chance to stick an explosive tag.

Armament Haki Band
Kills harden you with barrier.

Jolly Roger Banner
Raise the flag on level up or Warp Pad.

Body Flicker Scroll
Sprint faster.

Nichirin Ore
Bosses take more damage.

Cursed Ward Talisman
Flat damage reduction.

Common Scrap
Trade it in for a new item.
Uncommon

Chidori Charm
Chance to chain lightning on hit.

Karma Fire Seal
Kills explode in black flame.

Marine Cannon Round
Chance to fire a homing cannonball.

Reaper's Nichirin Edge
Crits heal you.

Beast Breathing Instinct
Crits build attack speed.

Geppo Boots
Walk on air. Extra jump.

Curse Mark Seal
Kill sprees unleash the curse mark.

Execution Warrant
Execute weakened elites.

Armament Plate
Harden while sprinting.

Cursed Womb Seed
Hits heal you.

Curse Absorption Vessel
Kills permanently raise max HP.

Cursed Tool Battery
Extra equipment charge, faster recharge.

Ice Age Splinter
Hits slow enemies.

Chakra Return Scroll
Kills may drop a scroll that resets cooldowns.

Demon Regen Core
Regenerate out of combat.

Uncommon Scrap
Trade it in for a new item.
Legendary

Conqueror's Haki Burst
Every hit explodes.

Sacred Tree Leaf
Luck. Chance rolls reroll.

Cursed Spirit Blades
Kills unleash homing blades.

Reverse Cursed Technique
Cheat death once.

Rubber Hook
Chance to yank enemies together.

Six Eyes Fragment
All skill cooldowns reduced.

Raikage Lightning Armor
Periodically shock everything nearby.

Cursed Tool Feedback
Kills recharge your equipment.

Kamui Afterburner
More utility charges, faster.

Hashirama Cells
All healing doubled.

Legendary Scrap
Trade it in for a new item.
Boss

Volcano Curse Head
Spits homing embers that leave lava.

Cutting Thread Spool
Chance to web enemies in place.

Rinnegan Shard
Almighty Push when near death.

Vice Admiral's Medal
Marine toughness. HP and regen.

Cursed Bud Seed
Grow allied Cursed Bud turrets.

Dream Compass
Lull enemies to sleep. Sleepers take bonus damage.

Poisoned Sickle
Blood poison that blocks healing.

Sharkskin Scale
Hits drink health.

Ice Age Shard
Hits chill. Some freeze solid.

Magma Fist Ember
Hits leave magma burns.

Boss Scrap
Trade it in for a new item.
Cursed

Sookuna's Finger
Double damage. Half health.

Binding Vow
Equipment fires itself, faster.

Heavenly Restriction
Faster skills. Worse luck.

Pirate King's Coin
Hits earn gold. Damage loses it.

Cursed Energy Shell
All health becomes shield.

Hollow Mask
Heal more, but slowly.
Equipment

Infinite Void Marble
Throw a singularity.

Sharingan Lens
Guaranteed crits for a moment.

Lightning Blade Call
Call lightning on your target.

Marine Broadside
Rain cannonballs on everything nearby.

Conqueror's Roar
Rally allies. Weaklings faint.

Hashira Medicine
Instant heal.

Elite: Scorching Flame
Become Scorching.