Arachnida Ring of Shock (3.5e Equipment)
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 Arachnida Ring of Shock
In order to use this Arachnida Ring, the spider's Rider must have the trample feat, and must be riding the spider. The spider may use this ring when it's Rider initiates a mounted charge. If the spider succeeds, it must make an attack roll (it is automatically proficient with the weapon it uses- it's legs). If it's attack hits, it deals a number of d6 of electricity damage equal to the level of the ring.
Faint Evocation; CL 5 per d6; Forge Ring; Shocking Grasp; 2000gp (1d6), 4000gp (2d6), 6000gp (3d6), 8000gp (4d6) or 10,000gp (5d6).