HP Boost Rune (Necklace)

After application, HP increases.

In total there are 5 grades of HP increase runes

I rune grade gives an additional 40 HP to a character II rune grade gives an additional 50 HP to a character III rune grade gives an additional 60 HP to a character IV rune grade gives an additional 80 HP to a character V rune grade gives an additional 100 HP to a character