Olden Pocket Watch Cover

Upgrade	Effect	Sell value	Magic Powder
+0	+5% Blast speed · +100 points for all Jellies during Blast	15,834	160
+1	+5.5% Blast speed · +120 points for all Jellies during Blast	16,464	163
+2	+6% Blast speed · +140 points for all Jellies during Blast	17,262	168
+3	+6.5% Blast speed · +160 points for all Jellies during Blast	18,228	174
+4	+7% Blast speed · +180 points for all Jellies during Blast	19,362	186
+5	+7.5% Blast speed · +200 points for all Jellies during Blast	20,664	199
+6	+8% Blast speed · +220 points for all Jellies during Blast	22,134	212
+7	+8.5% Blast speed · +240 points for all Jellies during Blast	23,655	273
+8	+9% Blast speed · +260 points for all Jellies during Blast	25,332	340
+9	+10% Blast speed · +300 points for all Jellies during Blast	27,165	414

Extracting this Treasure returns Magic Powder. The amount is fixed per Treasure and upgrade level — it does not depend on which ingredients were used to evolve it.

There are things to see with your eyes, and then, there are things to look at with your heart.