@monkey123: And share more loot? Clearly the greedy minds prevailed here. (as in they chose greed over having a loyal and powerful member...also they have a 'priest', why didn't he learn cure/antidote spell...that seems like one of the most basic of them)
As for the sword, it's probably either too heavy or worth too little to be worth it.
The pendant was something he got her because of the incident with the scam merchant, so maybe he assumed it's just decorative ones and not magical ones.
@mutsutakashi: He used fake name/identity to get close to newbies and sacrifice them like this.
@Bramia: Well, technically we're still in something of a prologue period, introducing each characters and their past. Like we don't even have flashback for the other 2 proper yet.