This mnemonic powder gently glows with a mild white light in inert state and is kept in a small jar or a tightly fastened bag. A spellcaster can impart a number of spell levels into a handful of combination dust equal to 5 plus half his caster level (rounded down). It is possible to add both arcane and divine spells to the combination dust, or to have multiple spellcasters contribute to the charging of the combination dust, but the number of spell levels that can so be imparted depend on the caster level of the spellcaster that holds the combination dust in his hand. Imparting a spell in combination dust requires the spell's usual casting time and can only be done if the duration of the spell is not instantaneous and if the range and target of the spell are not 'Personal' and 'You'. Also,