Here's what I've done so far (may not be all):
~ Removed "Success" cast message.
~ Altered "Failed" cast message.
~ Chat is room-based, not global.
~ HUD is transparent.
~ Partially completed IP Check/Ban process.
~ Priests (by Yue) +3 Spells.
~ Spellbook Icons (by Yue).
~ New Summoner Spell.
~ Arena Host (by Yue) and his Commentary.
~ Defense actually affects Spells done to you.
~ Defense raises HP, rather than Attack.
~ Others can see damage done to you.
Im a fast worker?