The list of projectiles are:
Bolt ( Barrage, Comet, Pierce )
Will have to check the Exposed and the Talents to make sure they are all working 100% as intended, but they are all supposed to.
Only from Drops
It's not exact, since each amount threshold is a different chance. 1 dropping vs 2 dropping vs 3 dropping, 3 dropping will be more rare, but possible. Basically I worked with these percentages and loot simulation to ensure that each change in item drop % resulted in roughly the expected increased item drops.
The gold drops are a bit similar, they will drop different pile types that are worth various values based on their size. The number given to these piles are then multiplied by Gold Find %.
This is pretty complicated, but don't want to expose too much either
I don't want anyone yelling at me who did the math and are expecting X number of legends to drop in a period of time
Let's say the chance for any given Legend item be dropped as Eternal is 1 in 100. Increasing this chance by 100% would result in 2 in 100 chance.