Delves should go up to Mythic level gear

[Vulf-3273321 (Vulf)]

@Spiralle-tichondrius

Totally didn’t know this was a thing.

@Linxy

The item level of Mythic+ rewards from Nebulous Voidcores is equivalent to Great Vault rewards from that Keystone level, i.e., Myth 1/6 at Keystone level +10 and above.

More sources of myth track gear is a good thing.