These particles can be exchanged to obtain Energy Fragments from Bully ((lighthalzen 312, 296)). They are dropped from any Bio Lab monsters and they are divided into 5 different types depending on the floor you're in.
*{{#item:25127|2000 Silent Energy Particles}} (Somatology Laboratory F1) or
*{{#item:25128|1000 Weak Energy Particles}} (Somatology Laboratory F1/F2) or
*{{#item:25129|500 Unstable Energy Particles}} (Somatology Laboratory F3) or
*{{#item:25130|500 Sinister Energy Particles}} (Lighthalzen Biolab 4) or
*{{#item:25131|10 Fallen Energy Particles}} (Tomb of Honor)
| {{#item:6820|for 1 Energy Fragment}}
|}
(Commonly done to passively earn {{#item:6820|Energy Fragments}} compared to exchanging High Tier Weapons obtained from killing Bio Lab 3 monsters and using the Sanctuary via Lunar NPC details found at the top of the guide.