You can recycle particle cannons and refractors already collected in your inventory to get OptiGrad Chips.
OptiGrad Chips can be used to change attributes of the Particle Cannon and the Refractor.

CANNONS
| PARTICLE CANNONS | OPTIGRAD CHIPS RECEIVE | CHANGE COST | CHANGE LIMIT | |
| Common Helios/Nidhogg/Indra | 10x |
2x |
5 | |
| Uncommon Helios/Nidhogg/Indra | 40x |
4x |
5 | |
| Rare Helios/Nidhogg/Indra | 80x |
6x |
5 | |
| Epic Helios/Nidhogg/Indra | 120x |
8x |
5 | |
| Masterpiece Helios/Nidhogg/Indra | ?x |
?x |
5 | |
| Legendary Helios/Nidhogg/Indra | ?x |
?x |
5 | |
| Ultimate Helios/Nidhogg/Indra | ?x |
?x |
5 | |
| PARTICLE CANNONS | OPTIGRAD CHIPS RECEIVE | CHANGE COST | CHANGE LIMIT | |
| MR-01 Helios/Nidhogg/Indra | 10x |
2x |
5 | |
| MR-02 Helios/Nidhogg/Indra | 40x |
4x |
5 | |
| MR-03 Helios/Nidhogg/Indra | 80x |
6x |
5 | |
| MR-04 Helios/Nidhogg/Indra | 120 |
8x |
5 | |
| MR-05 Helios/Nidhogg/Indra | ?x |
?x |
5 | |