Set item layout:
Portable Cover Generator
wondrous item, rare
A thick brass puck covered in rotating gears and glowing arcane indicators.
Shield
As a bonus action, you place the generator on a solid surface and activate it. A wall of shimmering force springs into existence adjacent to the generator.Choose one of the following configurations:
- A wall up to 15 feet long, 10 feet high, and 1 inch thick.
- A semicircular barricade with a 10-foot radius.
The wall lasts for 1 minute or until destroyed. It has an AC of 20 and 60 Hit Points. When the wall is reduced to 0 hit points, it shatters harmlessly into sparks and vanishes.
The generator has 3 charges and regains expended charges daily at dawn.
Lore
Cassiodora Inayaris Pompellini Xifilius never intended the Portable Cover Generator to become a staple of battlefield doctrine. In her earliest sketches, it was labeled as a “momentary architectural inconvenience,” a device meant to prove a theoretical point about conjured geometry rather than to withstand actual combat. That changed during a field trial outside the city of Waterdeep, when a routine stress test coincided with an unexpected goblin raid and several very confused surveyors.
According to field notes recovered from the incident, Cass activated the prototype to demonstrate its structural integrity. Instead of a controlled test environment, the device unfolded into a flawless arc of shimmering force directly between the survey team and a group of charging goblins. The attackers collided with the barrier and were immediately redirected, stunned more by the sudden absence of a target than by the impact itself. One surveyor later recorded that the most unsettling part was not the violence, but how confidently the world had decided that nothing was getting through.After that day, Cass shifted her focus from theoretical containment to reliable survivability. She abandoned several more ambitious designs, including a “portable siege wall with personality” and a prototype that attempted to negotiate with incoming projectiles. The final design was stripped of unnecessary ambition, reduced to a compact brass disc capable of producing a stable field of force in seconds. Cass reportedly considered this version “boring, which is how you know it works.”
Among adventurers, the device earned a reputation for changing the rhythm of combat. Enemies expecting momentum often find themselves abruptly forced into hesitation, as if the battlefield has been politely interrupted. Veterans learned to read the subtle shift in sound when the generator activates, a brief hush that usually means someone has decided that distance is no longer optional.
Unlike many of Cass’s more celebrated inventions, the Portable Cover Generator does not inspire awe so much as relief. It does not reshape time or rewrite possibility. It simply insists, for a short while, that certain things are not allowed to happen. And in Cass’s own words, written in the margin of a later revision, “That is usually enough.”
Tags:loreno attunement
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