Betankhamun

Betankhamun is one of the possible Wormhole guardians.

Ra's Wrath
Shoots lasers in a pattern

Sandstorm
Summons 4 sand swirls in a two possible patterns around the player, directed into the center between them (player position)

Sand Tornado
Summons a sand tornado, moving around him in a spiral pattern

Tombstone
Summons Sarkofagus once the boss arrived and once he left with 50% HP