The Siren's Cadence

This Quest is received by talking to Nessa in Lioneye's Watch after entering the Cavern of Wrath. If you go visit Nessa now she will give you the reward of a Support Gem or alternatively upon entering Merveil's Lair and requires you to kill Merveil the Siren (entrance from The Ship Graveyard -> The Coves -> Cavern of Wrath -> Cavern of Anger -> Merveil's Lair.

Quest Reward

Normal

Witch	Shadow	Ranger	Duelist	Marauder	Templar
Added Lightning Damage	Added Cold Damage	Added Cold Damage	Added Fire Damage	Added Fire Damage	Added Lightning Damage
Increased Critical Damage	Faster Projectiles	Faster Projectiles	Added Cold Damage	Life Gain on Hit	Weapon Elemental Damage
Minion Life	Increased Critical Damage	Increased Critical Damage	Life Gain on Hit	Additional Accuracy	Minion Life

Cruel

Witch	Shadow	Ranger	Duelist	Marauder	Templar
Chance to Flee	Chance to Flee	Pierce	Chance to Flee	Spell Totem	Melee Damage on Full Life
Minion Damage	Lesser Multiple Projectiles	Lesser Multiple Projectiles	Pierce	Weapon Elemental Damage	Weapon Elemental Damage
Chance to Ignite	Minion Damage	Increased Critical Damage	Added Cold Damage	Melee Damage on Full Life	Item Quantity
Added Lightning Damage	Faster Projectiles	Added Cold Damage	Faster Projectiles	Added Fire Damage	Blood Magic
Increased Critical Damage	Blind	Additional Accuracy	Point Blank	Blood Magic	Iron Will
Item Rarity	Item Rarity	Faster Projectiles	Iron Grip	Life Leech	Melee Physical Damage
Minion Speed	Minion Speed		Faster Attacks	Melee Physical Damage	Increased Area of Effect
Iron Will	Culling Strike		Mana Leech	Reduced Mana	Reduced Mana

Ruthless

Witch	Shadow	Ranger	Duelist	Marauder	Templar
Spell Totem	Chance to Flee	Pierce		Weapon Elemental Damage	Spell Totem
Added Lightning Damage	Lesser Multiple Projectiles	Added Cold Damage		Additional Accuracy	Reduced Mana
Ranged Attack Totem	Trap	Increased Critical Damage		Increased Duration	Added Lightning Damage
Item Rarity	Blind	Blind		Spell Totem	Weapon Elemental Damage
Increased Duration	Culling Strike	Culling Strike		Blood Magic	Iron Will
Increased Critical Strikes	Faster Attacks	Iron Grip		Life Leech	Item Quantity
Increased Area of Effect	Faster Casting	Faster Attacks		Melee Physical Damage	Melee Physical Damage
Faster Casting	Mana Leech	Mana Leech		Reduced Mana	Increased Area of Effect

Merciless

Witch	Shadow	Ranger	Duelist	Marauder	Templar
	Lesser Multiple Projectiles	Chance to Flee	Melee Damage on Full Life	Spell Totem	Melee Damage on Full Life
	Minion Damage	Pierce	Faster Attacks	Weapon Elemental Damage	Weapon Elemental Damage
	Added Cold Damage	Added Cold Damage	Added Cold Damage	Melee Damage on Full Life	Item Quantity
	Additional Accuracy	Faster Projectiles	Mana Leech	Added Fire Damage	Blood Magic
	Item Rarity	Point Blank	Additional Accuracy	Blood Magic	Iron Will
	Faster Attacks	Iron Grip	Item Quantity	Life Leech	Melee Physical Damage
	Faster Casting	Faster Attacks	Life Leech	Melee Physical Damage	Increased Area of Effect
	Mana Leech	Mana Leech	Iron Grip	Reduced Mana	Reduced Mana