Dungeons:
Increase the likelihood of bosses dropping weapons (or set parts depending on the boss). They should always drop at least one.
Apply cooldown for all instanced dungeons. Cooldown depends on the dungeon.
Dreadpet dungeons to have an use. The bosses will drop at least one rare weapon or set part most of the time they're defeated. (Lv15, 30 or 45, depends on the boss)
Volcane has a proper entrance by the volcanic area in Darkon 3.
Every dungeon has their respective treasure chests scattered about. They may give one of several in a list. Bigger chests wield better items. Ressurrection Scrolls, Smelting, Blessing, Buff Pet Transformation or Keys, etc.
Items:
Q, R and P Amplification Scrolls are removed.
ES Amplification Scrolls can no longer be stacked.
Stat-boosting consumables are categorized. Players can no longer activate more than one buff item of the same category.
Remantis Laccotte gets a seperate 1 minute cooldown. Not sold as CS, and very rarely obtained in-game through events or prizes.
Cloaks, fashion items and glasses have their stats removed. Obtained via donation or events.
Pick-up pets are via donation. Except Doggy which is obtained in-game for free.
Some CS such as Ressurrection and Blessing scrolls are found inside dungeons in treasure chests.
Buff pet beads are permanent and obtained as quest rewards. They may be added or removed as the player sees fit. The better ones are obtained as boss drops.
Scroll of Velocity, Scroll of Enhanced Party Skill Range, Holy Scroll and Scroll of Unbind are removed from the game.
Antidote (now renamed Cure Potion) is added to the NPCs. And yes they work.
Debuffer put back in the game as a drop. Functional but not common to find.
Drop system changed to make it so some of the possible drops vary according to the monster species rather than just their level. (Mostly equipment)
Kaillun consumables added to the NPCs.
Level 80+ blue equipment added to the NPCs.
Quests:
Office quests are auto-completed when the player collects the necessary items.
Daily exp quests that reset every 24 hours. They may get replaced now and then, but until then are fixed for every X levels gap.
General or scenario quests reward the player with not only exp and/or penya, but also untradeable items ranging from simple recovery crap to equipment, timed CS, Cloaks, Scrolls, etc.
Quests are the main source of penya outside of items and equipment dropped by monsters. They may have their amount increased to reflect on that.
New general quests and quests chain added for level 45+ characters to tone the grind for exp down significantly.
Quests revolving around the 'former premium areas' are added.
Added the never used NPC music during quest dialog.
The quest "Puppy Yorrn" rewards players with a free Doggy pick-up pet. For different pets they need to donate (or obtain them via events) as pets share the same exact function.
Balance:
Complete overhaul of weapon and set effects to tone down the ridiculous overkill power characters have with them and motivate players to cooperate in parties of more than 2.
Characters are no longer crit gods everywhere and block rate is no longer capped easily.
I know it sounds stupid to be so vague and utopian about this topic but skills and equipment overhaul is something that would need a ginormous list for just something such as "I wish" post.
PvP:
Scale damage down to make PvP less about killing others in a few seconds.
Implement copies of the regular arena for specific level ranges. All arenas accessible via Arena Manager.
Decrease the PK points penalty to 1% per kill instead of the current 5.
Karma + PK ridding quest changed to reflect on the character's level. The lowest the level, the cheapest it is to summon and easiest to complete the angel's bar. Auto-completes itself when the angel is fully levelled.
Red named player doesn't respawns in a fixed area of the continent when killed, to avoid being camped by wannabe heroes.
Guild Siege rewards revamped. This includes 1vs1 Sieges.
Upgrade:
Protection scrolls are removed.
Sucess rates are significantly increased.
Non ultimate revert by -1 instead of breaking.
Ultimate weapons may break. It's supposed to be risky.
Elemental Upgrade never breaks the weapon upon failure.
Element Change Scrolls are found in-game as very rare drops/treasure chests/quest rewards.
Piercing suits is safe up to 0/1. Piercing weapons up to 0/3.
Cards:
Success rate of converting cards have increased proportionally to their type.
3% and 10% cards are removed.
Likewise D cards and S cards are removed.
4%, 7%, B and A cards are dropped exclusively from giants and bosses.
Donation items:
Vanity items such as fashion and option to dye fashion items and vehicles.
Pick-up pets that not "Doggy".
1, 15 and 30 day Full Shout.
ES Amplification Scrolls.
Donation items are not tradeable to motivate players to donate. +50% exp gain is hardly balance breaking when the whole point of the server would be to motivate people to level by questing. The scroll is there for those who insist on grinding instead.
Housing:
Furniture and Guild House teleporter are obtained exclusively through GMs in Guild based events.
All furniture of the same type give the same stats regardless of design but their duration (as well as "Bubble Time"'s) depends on the Bubble Time bar. Idling or logging off within the Guild HQ will extend their buff's duration.
Housing items are permanent.
Collecting:
Cogs have actual uses in some events and unique weapon craft.
Market:
Players can put up to 30 items on sale.
Other players can choose the amount they want to buy instead of whole stacks.
Tax stays. Player must pay them everytime he/she puts an item on sale.
The market is connected to every town.
Lord System:
An NPC is publicly available for players to check logs with amounts received by the elected Lord and what the current total is.
A pop-up will remind players upon logging in election day in case there are any candidates.
The cost of exp and drop Lord skills are decreased by half. Their durations tripled.
Misc:
Lodelight return to the game and are added to new areas.
Quest items go to the quest tab. Not just untradeable ones.
Likewise, every fashion item goes to the fashion tab, even wigs.
Traseia is renamed to Rartesia as it should have been before the moronic name change in eFlyff.
Same for Harmonin (Shaduwar) and Estia Canyon (Valley of the Risen).
Coral Island, Azria, Rartesia and Dark Rartesia are acessible without use of CS tickets. Players complete quests to unlock access to them via a new NPC in each town's station platforms. (Those with airships docked in them) A small fee is paid for the travel. The NPCs with their respective airships are also found at the spawn point of those former premium areas.
The premium areas don't have crazy drop chances anymore. They're there for the exp and peaceful massive spawns instead.
Most but not all items stack to 9999.
"Glow" and "Flying effect" are added back.
Unique weapon craft system is revamped. List of required materials is increased (varies with the type (guardian, historic, etc) of the weapon) and success rate is very high. Does not includes dungeon weapons.
Durability system is put back.
Clockworks can be fought once every 48 hours by the same guild. No need to disband and make a new one to retake the requirements.