We already knew Imu has some control over the shallow pact since latest chapter and it makes sense he does since it has always been mentioned to be a faint connection to him
It's what allowed him to turn Harald's shallow pact into a deep sea pact the moment he was close
This lord of coast upscale though

It's what allowed him to turn Harald's shallow pact into a deep sea pact the moment he was close
This lord of coast upscale though

