hi, i explored all 2000 keys but i only got 10 keys rebate in mail.

i should be getting:

- 25 cave key, 5 purify rune: for reaching explore 200

- 30 cave key, 9 purify rune, 8 purify protect rune: for reaching explore 500

- 35 cave key, 10 purify rune, 10 purify protect rune, 1 lvl 4 attack magatama: for reaching explore 1000

- 40 cave key, 12 purify rune, 12 purify protect rune, 1 lvl 5 life magatama : for reaching explore 2000

how do get get these rewards? they were never sent to me via mail. please give attention asap