Can Broodmaster and first Worlder be technically combined? OR Can I make a small / tiny eidolon?

[ImperatorK]

Broodmaster changes Eidolon to Eidolon Brood, but the changes from First Worlder can still be technically applied. RAW it's most probably not possible, but it's not unreasonable to bend the rules a little here, right?

Also, can I make the eidolon small or tiny without taking Broodmaster? I want to make a familiar-like eidolon, but I don't really like the idea of having multiple weaker eidolons.

[bigkilla]

By RAW those archetypes cannot be combines as they both alter the Eidolon class feature.

There is a small evolution for Eidolons.

[Azten]

Small is an option, not an evolution. This page, which is on a site for homebrew pathfinder materials, does have Tiny as a 2 point evolution.

If you just want an Eidolon the size of a familiar without homebrew material, just remember that Small-sized familiars were introduced in Ultimate Magic.

[Drejk]

By RAW those archetypes can't be combined: both change Ediolon feature somehow (Broodmaster replaces while First Worlder only partially changes) and archetypes that change the same feature can't be officially stacked. Looking at both archetypes I can say that allowing to use both should not be a serious problem - they seem to be on the weaker side of Summoner anyway (haven't seen either in actual play so I might be wrong)

You can make Eidolon Small - it is a basic option that is available during the creation. Anytime the Summoner changes evolutions of his Eidolon he can make it into Medium creature. I do not recall way of making Eidolon Tiny except for using reduce person on Small eidolon.