Bug causes spells to cost zero mana

I found that if I socket a spell into Cast on Elemental Ailment, then move it into its own spell slot - then it can be cast with no mana cost. I went into a map and confirmed that it persists and the spell functions normally, just without cost.

I tried with other spells and confirmed the same for them. Socketing specific support gems causes the spell to go back to costing mana.

Obviously this is exploitable but I wasn't sure where else to report it. Please let me know if you need more details.

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Quasardine#3221 wrote:

Obviously this is exploitable but I wasn't sure where else to report it.

support@grindinggear.com