What are sandbags?

Manufactured items that will summon a monster doll with no dmg or def, but huge hp.
How to manufacture? Click here

Pros

*easy exp
*substitute for plvl

Cons?

*time-consuming to produce

Types of sandbags

Meaty Penguin
Sandbag 1
Lv: 15
HP: 27000
Exp: 25500

Aberrance Lizard
Sandbag 2
Lv: 40
HP: 113700
Exp: 189700

Terra Miner
Sandbag 3
Lv: 60
HP: 525800
Exp: 428000

Sealed Warden
Sandbag 4
Lv: 75
HP: 840000
ExP: 1200000

Hell Emissary
Sandbag 5
Lv: 85
HP: 1500000
Exp: 5000000

Credits to PKOutility.