Companions
Wings, runes, pets and machina of War of Genesis: Idle Loot: the bonus for owning each one, its effect when equipped and where to get it.
Wings 30
Wings are a companion slot: owning one grants a stat bonus, equipping it triggers a battle effect.
Runes 30
Runes are a companion slot: owning one grants a stat bonus, equipping it triggers a battle effect.
Pets 30
Pets grant a stat bonus when owned and a battle effect when equipped; they hatch from eggs.
Machina 5
Machina come from raid rankings and carry powerful area skills when equipped.