Many metaverses actively use NFT and continue to develop and interact with each other. For example, a next-gen gaming NFT utility initiative named Shuna Inuverse (SHUNAV2) bypasses that process by making partnerships with the already existing and future appearing tokens to share their metaverses. More information about how it is possible to interact between different metaverses can be found here -
https://www.livebitcoinnews.com/lbank-exchange-will-list-shuna-inuverse-shunav2-on-january-5-2022/Many famous persons create and promote NFT.
The price of NFT grows even more than the price of other altcoins.
Such big growth attracts a lot of attention.
The price of NFT depends from the demand in them. The higher demand the higher price of NFT.
Now NFT is very popular and many people want to buy them hoping for their future growth.
That is why the demand in NFT is very high.