who: sorcerers
what: spell version of aish'vrak potion. Maybe have some lore/mana control/MIU requirements to make resulting runestones as effective as the ones sold at the alchemist/made with alchemy. Make potions made with alchemy produce powerful runestones with extra uses, because alchemy.
where: 716
when: when the dev team sees fit
why: because it's useful and would save me (and others) a lot of silvers
when was the last time you cast disease?