Right so from my understanding, invention will be a skill and not an equally time consuming unlock tree because skills sell well. It will be an elite skill because it won't be as straight forward as a standard skill, and among others will require level 80 in a skill to be trained. It is not unlikely that it will start at level 80 too, but this is probably more unlikely than likely. In short lots of reasons to create a new skill group, use level 120, and use different xp scaling, but ultimately because skills sell well?
Regarding the numbers, anything is possible. Dungeoneering originally maxed at 99 but had limited floors and very slow xp rates. However it became apparent that the skill would feel awfully slow and not particularly fun to level with progress not being so visible, both in low and high levels, so the 120 concept was born. So regarding inventing, I'm not sure how it will work, but as I said anything is possible, with anything being a big range of xp rates as well as xp required for levels and money required for xp.
It could be a skill that maxes at 13m xp (as 120) and at 99+ the xp rates are in the hundreds of thousands per hour, at no more than, say, 5 gp/xp. But it could also be like 60m for 120 (all we know is a different formula, so less than 104m, but nowhere says how much less), with no more than 100k/hr xp rates (despite it being a buyable), and costs over 20gp/xp, especially at the beginning when everyone will rush to max it.
I guess we'll have to wait and see, at the moment I doubt anything is set in stone so..
Hi
13-Jun-2015 01:33:11