Niche D20Creatures with this ability can breathe underwater indefinitely, and can freely use spells while submerged.
- Blade Spirit
- Condensed Elemental Armor
- Condensed Elemental Blade
- Elemental Manifestation
- Greater Blade Spirit
- Greater Implement Binder
- Implement Binder
- Improved Blade Spirit
- Improved Implement Binder
- Improved Offensive Summon
- Improved Telekinetic Equipment
- Offensive Summon
- Power Armor
- Telekinetic Equipment
- Telekinetic Orbit
- Cavedweller’s Goggles
- Cavedweller’s Goggles, Chromatic
- Cavedweller’s Goggles, Deep
- Cavedweller’s Goggles, Deep Chromatic
- Circlet of Focus
- Dark Rainbow Lenses
- Helm of Protection
- Infiltrator’s Mask
- Lantern Helm
- Mirrored Monocles
- Obscuring Hat
- Scholar’s Monocle
- Warrior’s Blindfold
- Wise Monkey’s Blessing
- Endless Potion Decanter I
- Endless Potion Decanter II
- Endless Potion Decanter III
- Endless Potion Decanter IV
- Endless Potion Decanter V
- Extradimensional Bag I
- Extradimensional Bag II
- Extradimensional Bag III
- Extradimensional Bag IV
- Extradimensional Bag V
- Flying Broom
- Gem Torch I
- Gem Torch II
- Gem Torch III
- Gem Torch IV
- Grand Flask
- Mage’s Manacles I
- Mage’s Manacles II
- Mage’s Manacles III
- Mage’s Manacles IV
- Mage’s Manacles V
- Mage’s Manacles VI
- Mage’s Manacles VII
- Magic Carpet
- Spell Prism I
- Spell Prism II
- Spell Prism III
- Spell Prism IV
- Warping Quiver
- List of Body Slot Magic Items
- List of Foot Slot Magic Items
- List of Hand Slot Magic Items
- List of Head Slot Magic Items
- List of Neck Slot Magic Items
- List of Slotless Magic Items
- List of Temporary Magic Items
- Magic Items
- Special Materials
- All-Around Vision
- Amphibious
- Blindsense
- Blindsight
- Blood Drain
- Burrow
- Climb Speed
- Damage Aura
- Darkvision
- Dimvision
- Engulf
- Fast Healing
- Fortification
- Frightful Presence
- Glide
- Greater Darkvision
- Heavy Carapace
- Immunity
- Incorporeal
- Lifesense
- Lifesight
- Light Blindness
- Quadruped
- Regeneration
- Scent
- Swallow Whole
- Tremorsense
- Undersized Weapons
- Unnatural Aura
- Vulnerability
- Water Breathing
- Ability Scores
- Additional Rolls and Rerolls
- Bonus Types
- Carry Capacity
- Common Rules
- Creature Size
- Currency and Wealth
- Degrees of Success and Failure
- Drugs & Addiction
- Environment Rules
- Languages and Literacy
- Resting
- Saving Throws