Where to spoil Silver Axe Head

3 monsters drop Silver Axe Head on spoil, the lowest level is 40. The chance already assumes solo spoiling with no level-difference penalty: put your own level into the calculator.

MobLvlSpoilsWhere
Porta Porta 40 Silver Axe Head · chance 0.81% · 1 pcs Cruma Tower: 3rd Floor
Giant Fungus Giant Fungus 40 Silver Axe Head · chance 0.52% · 1 pcs Sea of Spores
Great White Shark Great White Shark 42 Silver Axe Head · chance 0.81% · 1 pcs Innadril Territory, Garden of Eva

What it pays and what is better to kill at your level — in the spot finder.