QUICK DIRTY LADDER START Pally+Sorc

Create the characters ROTW or XPac, both work, different reasons for eaither, can convert to rotw, or could last ladder, if this one can't for some reason.

Create a game you can rejoin.

Act 1

Take pally and level to 6 for Holy Fire, dump 3ish into Resist Fire 1 might.run through to save cain stony->ugp->dark open portal but don't save cain. swap to sorc when you want to. Continue as needed kill countess into clearning to Barracks to andy. Should be 10-13 depending on players, mostly.

look for +3 Holy Fire scepters in town, frequent.

take sorc through and save cain, if you did den and saved 1-5 mobs, great, if not do or at least level to kill andy. 10-15

Act 2

main thing you need here is to kick altar and it'll stay dark on whoever doesn't. then kill summoner and have the other run through the portal.
whoever slams staff kills Duriel second, i do pally.

Act 3

make Mace or find someone with meph killed. kill council and join anothers game and walk to 3 from trav, or make Mace and do this for the alt. Can amke your own game for alt.

Act 4

Chaos can be cleared by either if 24+ sorc could be blizz and make prettu ez work to let pally kill diablo by himself either way get to Chaos pushing with Holy Fire pally.

Act 5

as normal and then farm for sorc as needed to help pally in nm, at least this is me. cows/countess/etc.