Hel

If you look at the list of all runes, you can find out the cube recipes to create a rune of one level higher than Hel. Here are the Hel attributes:

Rank: (r15)
Weapon: -20% Requirements
Armor/Helm/Shield: -15% Requirements
Ilvl: 33 Clvl Required: 0 (the only one that they aren't identical)

Runewords with Hel

Runeword	Stats	Comments	Active In
			1.11	1.10	1.09
Breath of the Dying VexHelElEldZodEth Vex (26) + Hel (15) + El (1) + Eld (2) + Zod (33) + Eth (5) All Weapons Clvl Required:	50% Chance To Cast Level 20 Poison Nova When You Kill An Enemy Indestructible +60% Increased Attack Speed +350-400% Enhanced Damage (varies) +200% Damage To Undead -25% Target Defense +50 To Attack Rating +50 To Attack Rating Against Undead 7% Mana Stolen Per Hit 12-15% Life Stolen Per Hit (varies) Prevent Monster Heal +30 To All Attributes +1 To Light Radius Requirements -20%	See it here.	Yes	Yes	No
Death HelElVexOrtGul Hel (15) + El (1) + Vex (26) + Ort (9) + Gul (25) Swords & Axes Clvl Required:	100% Chance To Cast Level 44 Chain Lightning When You Die 25% Chance To Cast Level 18 Glacial Spike On Attack Indestructible +300-385% Enhanced Damage (varies) 20% Bonus To Attack Rating +50 To Attack Rating Adds 1-50 Lightning Damage 7% Mana Stolen Per Hit 50% Chance of Crushing Blow +(0.5 per Character Level) 0.5-49.5% Deadly Strike (Based on Character Level) +1 To Light Radius Level 22 Blood Golem (15 Charges) Requirements -20%	Ladder Only	Yes	Yes	No
Doom HelOhmUmLoCham Hel (15) + Ohm (27) + Um (22) + Lo (28) + Cham (32) Axes, Hammers & Polearms Clvl Required:	5% Chance To Cast Level 18 Volcano On Striking Level 12 Holy Freeze Aura When Equipped +2 To All Skills +45 Increased Attack Speed +280-320% Enhanced Damage (varies) -57% To Enemy Cold Resistance 20% Deadly Strike 25% Chance of Open Wounds Prevent Monster Heal Freezes Target Requirements -20%	See it here.	Yes	Yes	No
Myth HelAmnNef Hel (15) + Amn (11) + Nef (4) Armor Clvl Required:	3% Chance To Cast Level 1 Howl When Struck 10% Chance To Cast Level 1 Taunt On Striking +2 To Barbarian Skill Levels +30 Defense Vs. Missile Replenish Life +10 Attacker Takes Damage of 14 Requirements -15%	Barbarian	Yes	No	No
Obedience HelKoThulEthFal Hel (15) + Ko (18) + Thul (10) + Eth (5) + Fal (19) Polearms Clvl Required:	30% Chance To Cast Level 21 Enchant When You Kill An Enemy 40% Faster Hit Recovery +370% Enhanced Damage -25% Target Defense Adds 3-14 Cold Damage 3 Second Duration (Normal) -25% To Enemy Fire Resistance 40% Chance of Crushing Blow +200-300 Defense (varies) +10 To Strength & Dexterity All Resistances +20-30 (varies) Requirements -20%	Ladder Only	Yes	Yes	No
Rift HelKoLemGul Hel (15) + Ko (18) + Lem (20) + Gul (25) Polearms & Scepters Clvl Required:	20% Chance To Cast Level 16 Tornado On Striking 16% Chance To Cast Level 21 Frozen Orb On Attack 20% Bonus To Attack Rating Adds 160-250 Magic Damage Adds 60-180 Fire Damage +5-10 To All Stats (varies) +10 To Dexterity 38% Damage Taken Goes To Mana 75% Extra Gold From Monsters Level 15 Iron Maiden (40 Charges) Requirements -20%	Ladder Only	Yes	Yes	No
Silence DolEldHelIstTirVex Dol (14) + Eld (2) + Hel (15) + Ist (24) + Tir (3) + Vex (26) All Weapons. Clvl Required: 55	+200% Enhanced Damage 175% Damage vs. Undead +50 to Attack Rating Against Undead 11% Mana Steal Hit Blinds Target (20) Faster Hit Recovery +2 to All Skills All Resistances +75 20% Increased Attack Speed +2 to Mana After Each Kill Hit Causes Monster to Flee 25% Requirements -20% 30% Better Magic Find	See it here.	Yes	Yes	Yes