A compromise between RP and IP (Blue Essence)
I saw posts about talking about Emotes (among other things) costing IP as well as RP, and this is just my 2 cents.
what if you could also buy things in the store with Orange Essence? now that Blue Essence will also be the primary currency as an example
an Emote costs 450RP, or 800 Orange Essence (or however much the relative amount is)
a Chroma for 290RP, or 650 OE Icons, Wards, ect.
just a thought i had