Warhammer's Aeldari and Aelves revere an almost identical pantheon, but they are not quite a mirror image.
The Aelves of the Realms and Aeldari of the 41st millennium bear many similarities beyond just pointy ears and a disdain for the "lesser races". They were created as warriors and defenders by the enigmatic Old Ones, they excel at the "magic" of their respective universe, and they treat every endeavor from leisure to warfare as an art form. Their souls also bear particular interest to the Chaos God Slaanesh, and he hungers for them above all others.
But perhaps the most well-known of their similarities are their gods, though how they pay homage to them differs greatly (especially considering that the Aeldari gods are dead, devoured by the Dark Prince Slaanesh). Here's a look at how a few of the gods of the Elder Race cross over each universe and how the worship of them differs.
Perhaps the most well-known of the gods is Khaine, God of War and Murder, the Bloody-Handed, so-called because he murdered a mortal Eldar champion named Eldanesh, and the creator god Asuryan cursed his hands to always drip with Eldanesh's blood. He is one of only two gods to survive the awakening of Slaanesh and is both revered and feared by the Aeldari for his assault on the Dark Prince. Khaine could not defeat Slaanesh, but neither could Slaanesh best him,...