History during the Lost Seasons
He is a duelist that escaped from Hell and came to Earth to tribute souls by order of the Despair from the Dark,he uses an "Underworld" Deck.These monsters are able to Special Summon all monsters on the field(even your opponents) to your side of the field when destroyed by battle or card effects or even by discarding cards or add cards in your Graveyard to your hand.
Decklist
This is a list of cards used by Hellak Krezhut during Reverse Hazards and Battle Bridge
-Found in Explosion Blaster:
EXBT-EN005 Underworld Knight
EXBT-EN012 Underworld Master
EXBT-EN019 Underworld Reaper
EXBT-EN024 Underworld Spear
EXBT-EN029 Underworld Necrodragon
EXBT-EN040 Death Brigade
EXBT-EN036 Wicked Pot
EXBT-EN046 Dark Shield
EXBT-EN054 Spell Sphere
EXBT-EN055 Trap Sphere
EXBT-EN060 Fireball Trap