Perhaps the “WZ-16” may not be, but some derivative, based on the technology or a combination of inputs (such as Russian input from their Mi-28 Havov Helicopters and its engine) could conceivably be developed, which could be used in a heavy attack helicopter. I wouldn’t be surprised if a future Chinese Heavy Attack helicopter gets help from the designers of the Mi-28 as well as Kamov, although the PLA will probably try to leapfrog to a design similar to one of the proposed future US army Attack Helicopter designs; probably the RaiderX design for FARA. This kind of design (with its signature reduction design and twin rotors) would also payoff for a future fast transport helicopter for special forces
Either way, a heavy helicopter, which can fly over the mountains and get to a battle quickly maybe essential in a future conflict in the Himalayas. Also, a heavier helicopter could carry heavier and better sensors (such as a separate EO/IR sensor for each the pilot and gunner to enable hunter killer capabilities), as well as better comms and defenses.
The Apache AH-64D Block III is what is also known as the AH-64E Guardian. This is one of the challenges Chinese troops and military installations may face on the LAC. It’s ability to climb over the mountains with a decent payload could be an essential requirement.