How to join the New Player Guide system.

Lord of Destruction is an expansion and requires that Diablo II is purchased first

Eligibility requirements for Blizzard-sanctioned events

Information on error "Your friend isn't eligible to receive this"

How to resolve a "not eligible" error when claiming a code

Information about receiving an eligibility error while attempting to purchase Diablo IV or a Diablo IV expansion such as Vessel of Hatred.

What to do if you can't send or accept invite for Recruit A Friend in World of Warcraft

Information on error BLZOWPAY04008.

Information on Phone Number Not Eligible for Callback error

EU region tournament eligibility by country