Obtaining a fire cape on 07 probably is a better feeling than obtaining comp cape on rs3
One thing I like about OSRS is that with every achievement, you feel proud and get this really awesome feeling, something that I myself don't experience as strongly on the main game.
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That's why when I rc'd a shit ton of Nats and made around 11-12m (which was about 1-1.2b in EOC when I did), I spent on Guthans, Fury, Whip, Wiz boots and D legs with a Warrior ring, the feels all just came pouring back.
I still stuttered a lot when fighting Jad for my cape. Man them feels.