In vog Titans: bubbles can be pretty useful for blocking teleports and for weapons of light Warlocks: nothing wrong with a self revive on your team Hunters: golden gun will take down those oracles faster than you can say "atheon" In crota Titans: a bubble is good for staying alive on the bridge pads and can distract boomers for a sword bearer Warlocks: great for orbs at crota and can pull deathsinger wizards early Hunters: can run the lamps with ease and invisibility is useful for swording crota, golden gun spawns orbs at crota fight and blade dancer goes through the wall In nightfall Titans: defender bubble for cover and wol/bol Warlocks: self revive can prevent wipes Hunters: invisibility makes for easy revives Every class has its uses and they're all good at what they do