Heavy Duty Core Heavy Duty Core is a material used in crafting and other activities. Market Prices Loading market prices... Acquisition Crafted Blueprint Level Profession Heavy Duty Core Blueprint8Mechanical Engineer 1 row Usage Blueprints Blueprint Type Amount Spaceship Engine Components Blueprint (L)Metal Component10ArMatrix LP-80 (L) Blueprint (L)Weapon8ArMatrix BC-80 (L) Blueprint (L)Weapon6ArMatrix LP-85 (L) Blueprint (L)Weapon13ArMatrix BC-85 (L) Blueprint (L)Weapon8ArMatrix LR-80 (L) Blueprint (L)Weapon8ArMatrix LR-85 (L) Blueprint (L)Weapon13ArMatrix BP-80 (L) Blueprint (L)Weapon6ArMatrix BP-85 (L) Blueprint (L)Weapon8ArMatrix EXPA-200 (L) Blueprint (L)Attachment160ArMatrix EXPA-175 (L) Blueprint (L)Attachment140 11 rows