(57) Cleric
He focused carefully on the words for Cleric. 'Healing spells will have a greater effect.' He repeated. To him, this meant that his already high health would further stack into his ability.
Geth also didn't have any interest in using shields. Being a front-line defender was certainly in the cards for him, but he would prefer using spells than relying on gear.
'Albus, does being a Cleric require any type of religious oath?' This would certainly hinder him from choosing this path.
:Although the idea may still be the same to some extent, the Mana is currently the only entity that can supply you with power.
Your body has been rebuilt by the Mana, and any class you choose will be powered by the Mana. So, to answer your question.
No, you do not have to follow any Deity to gain power. Power and other abilities are gained through your actions:
'I understand. Then I wish to choose Cleric as my class.'