Merging allows players to improve their NFTs by combining them to create one of superior rarity. Mystical NFTs can only be obtained in this way.
Although all NFTs have unique attributes and a unique visual appearance, most of them will be of common rarity and look relatively similar.
As the quantity in circulation grows, players will develop an appetite to seek out higher, rarer NFTs. The merging feature gives players the opportunity to burn NFTs from their obsolete inventory to obtain a higher level NFT, if the requirements are met.
Merging will serve to balance and reduce the supply of NFTs as well as increase the value of the NFTs as a result.
This is only an example to facilitate understanding of the concept and does not represent the actual value of the merging process, as each rarity will have certain conditions.