- Location
- UK
- Pronouns
- He/Him
We need a more precise definition; we're suggesting the following. If you have thoughts about it, please speak up. Once things seem stable we'll canonize it and put it in the Seals document.
The blank for the Light Relay (LR) seal has one spiral in its left third, a bunch of stuff in the middle, and another spiral in the right third. The one on the left is the receiver and the one on the right is the emitter. Don't read too much into this as far as seal theory goes; we're only specifying the shape to make it easy to talk about. Please don't poke too hard at the relationships between shape and function.
At infusion time you choose what color the seal is sensitive to (e.g. 'leaf green') and what color it emits (e.g. 'robin-egg blue'). If a sufficient amount of light of the specified color strikes the receiver, the emitter will emit light of its specified color at the same intensity as a HOWS – e.g. upon having enough leaf-green light shining upon the receiver element, the emitter will send out a HOWS' worth of robin-egg blue light.
Chakra being the troll that it is, close investigation of how much light is enough yields inconsistent results. (i.e., the QMs refuse to get too deep in the physics weeds and will use their best judgment.) As a general benchmark, the amount of light emitted from Haru's Outstanding World-Saving seal is sufficient to activate an LR at 3 meters. (A HOWS is sufficiently bright to comfortably read by if it's within arm's reach.) The Jiraiya's Awesome Daybright Lantern seal is significantly brighter (enough to comfortably light up an average room) and will activate an LR from farther away, the extra distance being roughly linear when comparing the intensity of the JADL to the HOWS. (No, we're not providing specific numbers because, again, physics weeds. We're open to establishing numbers if someone wants to figure them out.)
The entirety of the receiver and the entirety of the emitter must be exposed for the seal to function, but the seal does not need to be lying flat; you can fold it in half and it will still function.
The receivers are roughly as sensitive to color as the human eye and they will only activate for the color that was chosen at infusion time. Using this color list for reference, if you set it to detect "Amber (SAE/ECE)" (#ff7e00) then it will not activate for "Blood Red" (#f35336). At the same time, it's not completely precise, so at least some of the time it will activate for "American Orange" (#ff8b00). Of course, sometimes it won't, because chakra is a troll, which is a polite way of saying that the QMs aren't willing to get too fiddly with this.
Fortunately, the color emitted by an LR is stable, so if you have an LR seal set to emit American Orange then it will always activate another LR that is set to detect American Orange.
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