Miasmic Burst was a spell from Ancient Magicks, which required a magic level of 73 and could do a maximum of 240 life points per hit ( life points per cast). In addition, any players affected by the spell who were using either Melee or Ranged style weapons would have their weapon speed halved for 24 seconds. As with all Ancient Magicks spells, the quest Desert Treasure had to be completed to cast this spell. The spell also required Zuriel's staff, making it one of the first Ancient Magicks spells to require more than just runes to cast. Miasmic spells, along with PvP Worlds and the accompanying Zuriel's staff required to cast them, were released by Jagex on 15 October2008. Players who had a Magic level lower than 78 would be required to use a corrupt zuriel's staff in order to cast Miasmic Burst as the regular version requires 78 Magic to wield.
Due to the fact that Zuriel's staff degrades over time, an extra 8,277.37 coins coins should be added to the cost of each spell (assuming the non-corrupt version of the staff is used) for a total of 10,469.37 coins.
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