Standard affinity at max upgrade, each weapon at its own requirements. A full bar is the class's strongest (Grafted Dragon, 442).
By upgrade level (Standard)
Level
AR
Physical
Cost
+0
116
116
—
+1
123
123
Smithing Stone [1] × 2
+2
130
130
Smithing Stone [1] × 4
+3
137
137
Smithing Stone [1] × 6
+4
144
144
Smithing Stone [2] × 2
+5
151
151
Smithing Stone [2] × 4
+6
158
158
Smithing Stone [2] × 6
+7
166
166
Smithing Stone [3] × 2
+8
173
173
Smithing Stone [3] × 4
+9
180
180
Smithing Stone [3] × 6
+10
187
187
Smithing Stone [4] × 2
+11
195
195
Smithing Stone [4] × 4
+12
202
202
Smithing Stone [4] × 6
+13
209
209
Smithing Stone [5] × 2
+14
217
217
Smithing Stone [5] × 4
+15
224
224
Smithing Stone [5] × 6
+16
231
231
Smithing Stone [6] × 2
+17
239
239
Smithing Stone [6] × 4
+18
246
246
Smithing Stone [6] × 6
+19
254
254
Smithing Stone [7] × 2
+20
262
262
Smithing Stone [7] × 4
+21
269
269
Smithing Stone [7] × 6
+22
277
277
Smithing Stone [8] × 2
+23
284
284
Smithing Stone [8] × 4
+24
292
292
Smithing Stone [8] × 6
+25
300
300
Ancient Dragon Smithing Stone × 1
From +0 to +25: 12 Smithing Stone [1], 12 Smithing Stone [2], 12 Smithing Stone [3], 12 Smithing Stone [4], 12 Smithing Stone [5], 12 Smithing Stone [6], 12 Smithing Stone [7], 12 Smithing Stone [8], 1 Ancient Dragon Smithing Stone.