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Nanoblasts
From The re-PSUPedia
Nanoblasts are a Beast-only ability. They will allow Beasts to transform for enhanced combat abilities. Generally, Beasts will become much powerful and more bulky in appearance when in nanoblast form. Currently, beasts can buy one of 5 Tattoos [Red, yellow, blue, purple, green] at level 20 which lets them transform into Nanoblast form. Some boost speed, some attack power, some defense power, some grant invincibility and so on. Beasts stayed in Nanoblast form for about sixty-five seconds per transformation. They can choose different colors when in this mode.