Use Poison & BlastSafi'Jiiva is weak against both Poison and Blast. As Blast deals a constant 600 damage, use weapons with high blast damage to easily whittle down Safi'Jiiva's high HP.Bring Poison Smoke BombsYou can use Poison Smoke Bombs to inflict Poison status on Safi'Jiiva. This slowly saps its strength and does not require you to bring Poison weapons to the fight.