Tools

Tarforge Upgrade Calculator

Every weapon reforge at the Tarforge draws from the same upgrade ladder — escalating amounts of tar-metal plus Coin. Set where your weapon is now and where you want it, and see exactly how much material and Coin the rest of the climb will cost.

Current level

Target level

Total to reforge from Base to +25

Ventrium

×31

Laterite

×31

Dorsalite

×31

Thoracium

×5

Ossinite

×5

Coin

1,023,900

Full Upgrade Ladder

Level	Material	Amount	Coin	Total Coin
+1	Ventrium	×1	100	100
+2	Ventrium	×3	300	400
+3	Ventrium	×6	500	900
+4	Ventrium	×9	1,000	1,900
+5	Ventrium	×12	2,000	3,900
+6	Laterite	×1	3,500	7,400
+7	Laterite	×3	5,500	12,900
+8	Laterite	×6	8,000	20,900
+9	Laterite	×9	11,000	31,900
+10	Laterite	×12	14,500	46,400
+11	Dorsalite	×1	18,500	64,900
+12	Dorsalite	×3	23,000	87,900
+13	Dorsalite	×6	28,000	115,900
+14	Dorsalite	×9	33,500	149,400
+15	Dorsalite	×12	39,500	188,900
+16	Thoracium	×1	46,000	234,900
+17	Thoracium	×1	53,000	287,900
+18	Thoracium	×1	60,500	348,400
+19	Thoracium	×1	68,500	416,900
+20	Thoracium	×1	77,000	493,900
+21	Ossinite	×1	86,000	579,900
+22	Ossinite	×1	95,500	675,400
+23	Ossinite	×1	105,500	780,900
+24	Ossinite	×1	116,000	896,900
+25	Ossinite	×1	127,000	1,023,900

Forge Materials

Ventrium

Levels +1–+5

A calcified substance often mistaken for a fragment of the Blessed Mether’s bones.

Laterite

Levels +6–+10

It’s said these pieces of the Blessed Mether rain down from the heavens and fall at the feet of her favorites.

Dorsalite

Levels +11–+15

A remnant of the chitinous carapace that allowed the Blessed Mether to descend upon this world.

Thoracium

Levels +16–+20

A fragment of the Blessed Mether’s bones. Few pieces remain that don’t belong to Her temples.

Ossinite

Levels +21–+25

A fragment of the Blessed Mether’s bones. Few pieces remain that don’t belong to Her temples.