|This has no clear connection to the Forgotten Realms.
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The caster transformed themself into a globe of eldritch colors, around 5 feet (1.5 meters) wide. It could fly at up to 1,500 feet (460 meters) per minute with excellent maneuverability. Being incorporeal, the caster had no physical strength and could not attack physically, but could pass through solid obstructions such as walls and could only be harmed by other incorporeal creatures, enchanted weapons, magic and psionics, and attacks from most corporeal sources had only a 50% chance of success. While the caster could use innate magic and psionics themselves, they could not actually cast spells. This lasted 78 seconds, or longer for more experienced casters.