Summoning spells are typically cast or are tied to the basic magic item pack of jewels, rods, and so forth. Summoning devices take the same concept and tie the spell to a weapon, shield, or piece of armor.
Weapons and gear used by the antagonists of the Spider City scenario
Ludicrous gats and more!
The Church of the one true God guards a terrible secret: Their God is dying. He is kept within a tank, steamworks forever pumping to keep him alive, clockwork engines forcing his laboured breathing.