Codes
Currently Active Codes
J9v5yeqm76 - Redeem for 1 Large Crate of Hero EXP (8 Hours), 600 Diamonds, 4 Large Crates of Gold (8 Hours), 1 Large Crates of Hero's Essence (8 Hours), and 60 Elite Soulstones
ithg8qup87 - Redeem for 10 Time Emblems.
iybkiwausg - Redeem for 500 Diamonds
jinsuo666 - Redeem for 5 Large Crates of Hero EXP (8 Hours), 500 Diamonds, 5 Large Crates of Gold (8 Hours), and 5 Large Crates of Hero's Essence (8 Hours)
LORDDREAF - Redeem for 10 Stargazer Scrolls, 3000 Diamonds, 10 Common Hero Scrolls, and 10 Time Emblems
i4musq8dr6 - Redeem code for 1000 Diamonds + 10 Summon Scrolls.
i43a5pk3jw - Redeem code for 60 Elite Soulstones, 600 Diamonds, 24-hour worth of Gold.
i4hhzxxvj7 - Redeem code for 120 Rare Hero Soulstones, 60 Elite Hero Soulstones, XP & Dust Chests.
uf4shqjngq - Redeem code for 30 Common Hero Scrolls.
afk888 - Redeem code for 300 Diamonds, 20,000 Gold, and 100 Hero's Essence.
misevj66yi - Redeem for 60 Rare Hero Soulstones, 500 Diamonds, & 5 Common Hero Scrolls.
How-to
Open this link: https://cdkey.lilith.com/afk-global, enter your in-game UID in the UID textbox and then open the game and tap on your user profile in the top left corner.
Go to the "settings" tab and then tap on "verification code", go back to https://cdkey.lilith.com/afk-global and enter the verification code number from the app. (Your verification code changes every 2 minutes).
Tap the log in button and enter the redemption code into the "gift code" box and tap the "Redeem" button. Your reward will be sent to the corresponding account's in-game mailbox.
Source: https://afk-arena.fandom.com/wiki/Redemption_Code