For general information, check the overview.
|★★||Decent DPS. Bring along if you have room.||
Your primary armored DPS that isn't a Manticore. In most cases, a Manticore is scarier, but these guys have consistent output and are also armored. And unlike Manticores, you get all 5. You can think of them as armored Jaegers that do better vs high HP enemies and same-ish or worse vs. lower HP enemies.
The big thing about them is their skills. They get bonus damage based on how much max HP a target has, and they can drive their own crit rate up as they keep firing.
They do however, apparently have defective targeting systems, so you NEED something else like a Jaeger to provide range, because otherwise they're kind of not going to spot anything to shoot.
|★★||Insanely good for what you pay||
Probably the closest to a top-end all-rounder. It has armor. It has good stats. It withstands AoEs really well due to being a single unit, and it has two very nice skills.
Now the big thing that is unlike enemy Hydras, your Manticores only have 30 armor. However, they pack the same short range explosive blast hydras do (And they have 500+ base attack power so it'll hurt masses of light enemies when they do it), and uniquely, a pushback skill with a 10 second cooldown that reduces enemy movement speed and rate of fire.
Not always the best solution, but it's the true waifu of the game.