Blood Rush is a combat spell in the Ancient spellbook capable of healing the caster by 25% of the damage inflicted. It is the weakest Blood spell.

As with all Ancients, Desert Treasure must be completed to use this spell.

A Magic level of 56 is required for this spell and it gives 33 experience. It requires 1 Blood rune, 2 Death runes, and 2 Chaos runes to cast.