In Gate of Madness:
- Although usually only a minor nuisance, these creatures can become dangerous if they cast their Chain Lightning spell in quick succession. Because of the armor penetration and their higher level, this can usually kill a slightly wounded party member instantaneously. In the Gate of Madness mission, this threat is particularly great because of the large numbers of enemies roaming nearby.
- Portal Wraiths are extremely weak against fire damage.
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