Dangarius' Baubles

The two identical objects are used to form a gateway through which other spells may be cast.  The objects may be no larger than 1-foot square.  The topaz is consumed in the casting.

When Dangarius' Bauble is cast upon these objects small runes are inscribed upon each, one for the transmitting bauble, one for the receptacle bauble.  The mirror shard and topaz are dropped into the coil and the two objects being enchanted are touched to the coil's ends and held during the casting.  Once the spell is finished, the caster has until the end of the spell duration to cast one or more spells at/onto/through one bauble, which will emanate from the second.  This conduit is one-way, spells may not be cast from the receptacle back through the transmitting Bauble.  Saving throws versus any subsequent spells cast through the Bauble apply normally.

Defensive magic that blocks magic from passing through will interrupt and/or shield against the bauble gateway, and no spell above 5th level may be cast through the Baubles.

The spell-caster may use Arcane Eye to further target persons, creatures or objects on the far end of the gateway, such as directing a fireball to a specific location within the fireball's range, otherwise any area spell effect being cast through the gateway is centered on the bauble receptacle itself.  Spell ranges are calculated to include the distance of the transmitting bauble from the caster, and if that bauble is in their possession, all secondary spell range is calculated from the receptacle end.

The Baubles do not require concentration to maintain their magical connection, but they do require concentration to cast through them.  As such, only spells not requiring concentration may be used through this gateway.  The only exception is an Arcane Eye which is created on the caster's end and then moved through the conduit as part of their own applied concentration, and thus may be used spy through the gateway.

Any act that destroys either bauble also ends this spell.  Both of the identical objects enchanted by the spell fall to dust when the spell expires or is terminated, which may be done at will if before the end of the spell's duration.  The wire and mirror shard are reusable.

At Higher Levels: Starting with 7th level casting the duration for the spell increases to 1 hour.  At 8th Level it lasts for 1 day, when cast at 9th level Dangarius' Bauble lasts until dispelled.