Bleeding

Condition. While suffering from this injury, you lose Health over time.

— In-game description

[edit] Related skills

Barbarous Slice - if not in a stance
Crippling Slash (elite)
Deadly Riposte
Desperation Blow - 25% chance on hit
Drunken Blow - 25% chance on hit
Lacerating Chop - if target is knocked down
Seeking Blade - if blocked
Sever Artery
Barbed Arrows
Barbed Trap
Brambles - if any creature is knocked down
Feral Lunge - if target is attacking
Glass Arrows (elite) - if blocked
Hunter's Shot
Lacerate (elite) - on spirit death
Melandru's Arrows (elite)
Melandru's Shot (elite)
Screaming Shot - if target is within earshot
Strike as One (elite)
Animate Shambling Horror - the jagged horror created after the shambling horror dies causes bleeding when it attacks
Blood Drinker - on oneself if health is above 50%
Jagged Bones (elite) - the minion created causes bleeding when it attacks
Rip Enchantment - if an enchantment is removed from target
Signet of Agony - on oneself
Ulcerous Lungs - if target uses a shout or chant
Cultist's Fervor - 10s on self every time a spell is cast.
Jagged Strike
Sharpen Daggers - whenever you hit with Daggers
Twisting Fangs
Aura of Thorns
Wounding Strike (elite)
Aura Slicer - If you are enchanted or this attack hits an enchanted foe
Barbed Spear
Ebon Vanguard Sniper Support (PvE only)
Deft Strike (PvE only) - if target has Cracked Armor
Black Powder Mine (PvE only) - trap
Ear Bite (PvE only)
Raven Talons (PvE only, under Raven Blessing)

Bleeding is a condition that causes 3 pips of health degeneration on a character. The visual indication of bleeding is a ring of dark red mist around a character's waist. The health bar for the affected character also turns pale pink.
Like poison and disease, bleeding only affects creatures with flesh.
Barbed weapon upgrades lengthen the duration of bleeding by 33%.
A Rune of Restoration or the Inscription "Fear Cuts Deeper" can be used to reduce the duration of bleeding by 20%.
Bleeding is often caused by attacks. It can be used as a pressure and/or cover condition. There are a few skills that enhance the effect of bleeding or require it on target foe for additional effects.
Bleeding in itself isn't usually a big problem, but can play an important role in condition pressure-builds. You should also keep an eye out for it when facing builds that use skills that need a condition as a prerequisite, as it is relatively easy to inflict and often lasts for a rather long time.
If the affected character is also suffering from either disease or poison, or from a health degenerating hex, his health bar will show either green (for disease and poison) or bright pink (for a health degenerating hex).
List of condition removal skills

Conditions
Bleeding • Blind • Burning • Cracked Armor • Crippled • Dazed • Deep Wound • Disease • Poison • Weakness