What to do with karma?
Legendaries. You need 525,000 karma.
http://www.reddit.com/r/Guildwars2/comments/zpndt/bloodstone_shard_legendary_recipe_possibility/
Good to know, but that’s not that much karma needed for it, it seems like.
Or the WvW karma bonus’s are just that insane.
Same thing with meta events.
It’s easy to get about 50k karma each day for me.