User blog comment:AquilaeAltair/OnS Theories (S4). First Theory - The real purpouse of the chains that Rigr uses as weapons/@comment-36009152-20190831003311

Dangerous as they are the chains are really impressive! The dexterity in how they can be manipulated even more so. Fascinating if they are related to cursed gear, thinking about it could have only guessed they were a seraph related ability.

​​​​​​Meant in all seriousness, there must have been members of the army inside that crate to activate the seraph now that we know a drug is used for that. For real again, would not be surprised in Tenri himself were accompanying the seraph inside and it were his own chains used to murder those present.

Saito is the type to be a vampire and weather the side effects of possible cursed gear chains affecting his body and mind. He would use his whole army to fuel apocalyptic beasts just for a chance to engage the first in combat. We cannot forget he would modify his own body into chains, if it is an asset to Saito he will use it never mind how it affects him no one doubt it XD

Same with Tenri, thinking nothing of modifications, whatever allowed him to survive and win he would seize it with both hands. The thing is this chain power seems to cause a person’s body to become the chain, like the one just sliding out of Saito’s hand, it’s like a liquid metal like mercury, just a different type of existence in it’s own right which is pretty interesting and unique from other powers.

Very interesting if the chains were made as a demon purifier of sorts, likely with the Japanese Imperial Demon Army needing their power, they would also need to be controlled and the chains could do that. With the Hyakuya Sect not having been killed but rendered unconscious, sound familiar? They are maybe in the demon mind realm as one cannot be in that and the physical world at the same time. If the case another hint they are demon related, and used for an all manner of things.

If they can pure a demon like being such as the one and only Shikama Doji, would make sense why Saito maybe even Tenri embraced them wholeheartedly.