1. Any high level summoning pouches or scrolls, whichever you can get for the cheapest. 2. You can't augement fire staves. Here's a list of items that you can: http://runescape.wikia.com/wiki/Augmentation 3. Currently it's combat only.
You realise eoc and rs3 are the same game right? EOC is not a game. Eoc is an OPTIONAL part of rs3. If we are talking about rs3 player count we need to add eoc users and legacy combat users.