小美人鱼被海巫做了后有双腿

Their deities are incompatible and fundamentally different. Even the divine fluctuations are different. Even if you get the few small statues outside, it will be useless. Not to mention, your statue is so weak that it is not as good as the other small statues outside. If you want to use their divinity to feed you back, you might be swallowed by them instead....