The caster look like normal old men with stereotypes robes. The spells seem to be helping, no harm seems to becoming to anybody affected.
As for the groups, there are are Humans, half-elves, half-orcs, some odd looking humanoids that look human but off in some way.... they have a golden like skin, some look like orcs but have red skin. Another like humans but have this floating, ball around them, they are talking to it. Many of them have tents and are conversing. Most of them not very seasoned in fighting, or so most of them look. Most are confused, don't understand the same language, or are recovering.