Your Network
Roster
On a server with no global chat and no dungeon finder, knowing one druid who ports and one cleric who rezzes is worth more than most gear. Keep track of who you meet and what they can do.
Nobody on the roster yet
Add the first person you group with. Track what they can do — ports, rez, buffs — and you'll stop wondering who to shout for when you're stuck in Kunark with a corpse in Sebilis.