Quote Originally Posted by JunseiKei View Post
In dungeons, you don't need to DPS at all to gain EXP. If you're partied, the party needs to tag to gain credit (like quests). It's only special open world mobs, like hunts and FATEs, where tagging is highly suggested as a healer. You can gain credit from just healing, but tagging completely ensures it (as members that become greyed out or untarget-able don't contribute toward the healer's credit if they only heal).
Oh, interesting. Thanks for letting me know.