Draws cards when he destroys an opponent’s monster by battle.
Boost his attack.
Cost for first effect contradicts his boosting effect.
Must destroy monsters by battle to activate draw effect.
Dark World decks discard a lot filling their graveyard with DARK monsters and quickly emptying their hand. Darknight Parshath can be useful for replenishing your hand and with the many DARK monsters in the graveyard be a decent beater.
Use these cards to retrieve your banished DARK monsters. Escape from the Dark Dimension revives them back to your field. Trance Archfiend can help load your graveyard with DARK monsters, and when he is destroyed, retrieve a banished DARK monster to your hand. Pot of Acquisitiveness returns the banished monsters to your deck and then allows you to draw a new card.