Our pack is based on - latest - acis rev with our own updates. What you're describing is old, garbage outdated acis revs that were indeed as bad as you're describing. Our formulas are 100% retail and yes, that means the classes you mentioned are strong, but at the same time you're forgetting that the same goes for all classes. Welcome to Interlude where all classes are very strong unlike H5 where all classes couldn't solo kill anyone in mass pvp unless the target was massively cancelled.
Skill spam is based on skill re-use formulas and atk speed which are also retail on our files. Also skill cooltime which is something only people who bother with skilldata are aware of. The files you're talking about are extremely outdated.
You completely forgot about mages and their retail MC rate and multiplier on Interlude which was indeed the most broken class on the client. You could google L2 Teon interlude forum archives and people talking about that sph "progamer" (from ITT side) who once obtained valakas + passive wild magic he was nearly 100% mcriting (x4) and solo-ing parties by himself with a single support behind him. I'm pretty sure if you youtube search "progamer l2" or "progamer lineage" you will find a few ridiculous videos of him.
Ah forgot to mention that the OBT is live and available for you to run your own tests. If you test something and think it's not retail like, THEN you can come to me and report it. Right now you're assuming based on information from 5 years ago.
His post would make sense back in 2016-17 probably
not mentioning about gameplay but trying to have retail balance on acis gonna be a big problem. im 100% sure that the server gonna fail for this delusional idea. even in best scenario, if everything goes well, l2 itself designed without mana potions and limited buff times. so in general; with full buffs and unlimited mana potions, most of the classes will be over powered e.g duelist, grand khavatari. imagine a tyrant/glad goes aoe fight in full retail balance. a single glad can take over a party without its cp been decreased. there was a reason that those classes being nerfed in servers where you have access on mana potions and full buffs. not even talking about dagger classes' full retail formulas in l2j acis. you cant even compare l2off's and acis' movement system. that means in l2off, lets say in 5 seconds you can use 5 skills, in acis you can bypass the limit with its bad optimized movement system and possibly can spam 10 skills in that timeline. both, retail values and having to work on acis is a bad idea.