This spell is a part of the Fire's Heat spell chain and is found in the Fire's Heat rune stone.
With this spell you conjure fire, the dark source of light, trapping a single target within a prison of white burning flames that only they can see. To all others on the outside, the target appears to be frantically stumbling about in open space. The target is unable to move from their space as every direction is blocked by flames only they can perceive. The prison lasts for 4 rounds. Each round the target must make a Hard Mental Balance check or suffer escalating Soul drain as their mind descends into chaos — 1d4 on the first round, 1d4+1 on the second, 1d4+2 on the third, and 1d4+3 on the fourth. When the prison finally dissipates, the target is stunned for 1d4 rounds from mental exhaustion.
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