Sign up if you're level 50.
Room for 10 people in two summoning groups of 5.
Each team will pop 3 bosses - this means each person in each team will also get the mission reward on those 3 that are spawned by the team (= extra loot!)
If you find yourself forced to mercilessly slaughter your teammates because they become infected with some rare mutation, keep in mind that you are only doing your job -
They would do the same for you.
(a couple days ago went into a lightly-attended Bunica Padurii late at night and, finding they didn't seem to have a tank that could stay up, tried it myself. I have not learned an adequate counter to Branch Whip )
Thick Skin is what I tend to use, or if it isn't up - Immutable plus something else to top up my HP.
A gadget that adds protection can be used too, unless you are using a gadget to taunt.
If you find yourself forced to mercilessly slaughter your teammates because they become infected with some rare mutation, keep in mind that you are only doing your job -
They would do the same for you.