Thank you Bluey.
It would have made sense to me if they'd ended it at, They are restricted to creating PvP characters only, and cannot leave the Battle Isles.
From my pov, the rest is unnecessary & for me at least, was confusing.
I thought it made sense, that if you were buying the base game & also buying at least one or more of the campaigns, then as a bonus item on that account, buying the kit would be a really nice addition.
It would allow you to make one set of PvP characters to play in the Battle Isles, which would then be restricted to playing PvE content only, when you entered the campaigns you owned; the real bonus being the no cost second profession change.
Otherwise, I don't really see the benefit of having the kit, unless you really love to PvP & are constantly experimenting with builds & want all of those character slots to fill that need. Then it would be great!
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It would have been completely clear to me if the description ended as a/m & was followed by,
"IF unless they also have one or more of the role-playing campaigns added to their account," then they can create their choice of PvE characters for use in campaigns owned content & PvP characters restricted to the Battle Isles.
It could be that I'm being dense though...
Thanks again. o/