DNA

DNA is the newest way to power up your heroes. The best way to go about choosing what to focus on in DNA is based on the characters special abilities. If you are unsure, the safest bet is to go for Attack or HP based on their role on your team. See below for suggested DNA focus for the current red characters:

DNA progression
The number actually indicates the amout of Fiber needed to purchase the next level. Each Hero starts with DNA level 1.

You can unlock second hero link at DNA level 11

You can unlock third hero link at DNA level 21

You can unlock one or two additional hero link at DNA level 30, plus the ability to open Plan 2, which means that you can have a second different set of characterics and choose which one to use.