There are a few of us who played EQ since day 1 who will be playing on the progression server. I missed out on some of the original end game and would love a chance at being part of one of the first Plane of Fear attempts.
Some things I would like to see:
Original Cazic Thule zone (doubtful)
Original Plane of Hate / Fear (doubt they will change the god encounters then change them again) It would make sense to just leave the gods out of their planes until Kunark or so and leave all of the epic gear needed on other mobs in the zone (depends on how they do this...I'm sure they are putting a lot of thought into it).
Furthermore, I would also like to see the completion of Hate and Fear to be the trigger for opening Kunark. Vox/Nagafen really does not make sense, since Fear and Hate were added in fall of 99 before Kunark in March of 2000. It really depends because of new Cazic and how they plan on addresing that.
I'm not sure where to add Plane of Sky...I guess part of Kunark.
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Anyways, here are my ideas for progression (provided they do it based off of clearing zones / killing mobs).
Classic: Fear/Hate AND Vox/Nagafen, as well as Phinigel Atropos (The Hole is not included).
Ruins of Kunark: Clearing of Veeshan's Peak mostly; however, possibly add Veksar, Chardok royals, Venril Sathir etc.
Scars of Velious: All major faction Kings (Dain, Tormax, Yelinak) killed, Avatar of War, Sleeper awakened, Ring of Vulak.
Luclin: Vex Thal seems to be the obvious one here
And so on.
I would like to see a time limit as well to keep this from ruining it for everyone. I SERIOUSLY doubt Kunark will be unlocked (if fear and hate are required) until about 3 or 4 months or so, and Kunark will take a LONG TIME for VP to get cleared, simply because of the amount of time it takes to get VP keys, geared for Trak, and the numerous Trak kills it will take to get enough fangs for the VP key.
Velious will be a matter of farming gear, sleeper's tomb keys to gear for north ToV, North ToV gear to help kill warders. That will take several months...figure weekly timers on uber mobs, and you are talking like 3 months minimum.
I would like to see an artificial minimum of five months per expansion. This might be excessive for classic, but 5 months really isn't that long.
Also, it would be (wishful thinking) if they based it off of how much of the SERVER POPULATION had progressed in levels.
There is always the possibility that it won't be based on killing the mobs in game, but rather custom GM events (after a set time period...after expansion content is on farm status) that open the new expansion.
Sorry for the length of this, but I think this could be GREAT if Sony does it right. I've seen how good of a job the devs here can do, but there is just no substitute for the official EQ lore and encounters. If a bunch of people like the SoD devs can do this good for FREE, it should be trivial for SoE to simply revamp a product they have ALREADY created.
Let me know what you think.