it was my season for battle wounds

The Voice is busy, her problems bigger than one Ascended's mangled hand. The temple is destroyed. The Fields are filled with mud and blood. Some of her own children were lost to the carnage. And she still doesn't have a shrine in Halo. So it isn't particularly surprising that Amun is met with no reply, save a crackle of blue electricity and the feeling of contentment as his fluid is replenished.