Thermal Reversal

6th-level evocation (Bard, Sorcerer, Wizard)

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• Casting Time: 1 action
• Range: Self (40-foot radius)
• Components: V, S, M (a drop of mercury)
• Duration: Concentration, up to 1 minute

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You cause hot to become cold, and cold to become hot in a 40-foot radius. The affected area remains stationary from where you cast this spell. For the duration, any source in the affected area that would normally deal cold damage deals fire damage instead, and any source that would normally deal fire damage deals cold damage instead. If this spell overlaps with the area of a level 6 or lower spell that affects environmental temperature, the other spell is dispelled.