The objection to this name sounds like those hypersensitive PC do-gooders insisting on eliminating all Native indian team sports logos, names and references. Next the do-gooders will insist on changing the names of the rivers, states and land mass formations just to assuage their white souless guilt.
Someone needs to get a life.
Agreed, I don't see this being in any way "anti-Christian".
In fact, they seem to be pretty high-level powerful items. So I bet they thought that Christians would think it cool that they could have magic items like those . . .
I'm offended by how easily some folks are offended these days.