To explain. In the setting I have created, a world called Liel, the most prevalent form of religion is called the Giedame. In this faith, each worshiper claims a personal pantheon of six gods, which may be any god in this setting, or any other setting for which rules exist in 4e-- and if rules/feat choices did not exist for a deity a player of mine wanted, I promised to make some up. As for setting deities, I provided the local pantheon of Ar'Siva, the island continent where the main of the game takes place. Entering the worship of each god allows access to that god's feats, which may be taken at any level. In the interest of avoiding tl;dr, I'll break this up into groups. So here's the first bunch:
The Hero-Gods (Atailan)The Hero-Gods, Begaren, Vai'Varin, and Pi'kati, are called thus because of their roles in various myths and stories. It is not known whether they were once people who lived and were later deified, but the stories treat them as if they once, indeed, lived in the world like men.
Begaren-- The God of Honor, Valour, and Nobility, his worship is common to warriors and those who value codes of honor above all else. In Ar'Siva, he is a favorite god of Military Knights, though his worship is more common in the other countries. His worship suggests proficiency with all manner of heavy (not thrown) swords and/or shields. His symbols are a sword cutting through tendrils of dark energy coming from below, or a shield with a hand and three orbs upon it, parting a wave of dark energy from above. Those who consider themselves Dedicate to Begaren may choose from the following divine Feats:
If you have shield proficiency, grant +2 to a defense as an immediate interrupt, once per encounter to one ally who is adjacent to you, or adjacent to the attacking enemy.
If you have proficiency in light or heavy blades and have a sword equipped, +1 to attack rolls for flanking allies using melee weapons.
Vai'Varin-- The God of Humility, this god is never himself depicted, though like Begaren, he is considered a hero-god, and spoken of as such. His symbol is a common household item-- a shoe, a kettle, a broom, et al-- held singly, or on a plain field. Leaders benefit most from the worship of Vai'varin, and many warlords serve him. He is a common household god on Ar'Siva. Those who consider themselves Dedicate to Vai'Varin may choose from the following Background Feats:
Adjacent Ally gains a +3 bonus to their surge value when they spend their second wind, +5 at 11th level and +7 at 21st.
50 Feet of Rope
You may spend your move action to grant one ally an extra 5 move before the end of your next turn. Allies who start a climb or a jump adjacent to you gain +2 to their Athletics check.
The Best Cook Ever
During an Extended Rest, you may sacrifice a Healing Surge to add +2 to all Allies Surge Value, as you are up cooking the entire time.
Pi'kati-- the God of Tricksters and Rogues, he is a god widely worshipped by people in all walks of life. He is especially popular in Ar'Siva, in the country and among the proleteriat. It is not uncommon, apart from those who are of the Rogue or Bard profession, for someone to feel themselves Pi'kati's in Soul, and honor him thusly. His symbol is a four-holed flute with one hand open and one hand closed; sometimes with his grinning Face behind it. Those who consider themselves Followers of Pi'kati may choose from the following Divine Feats:
+2 to stealth and thievery or you may also treat Stealth and Thievery as trained skills, even if your class does not permit it. Once per encounter, you may make a bluff check as a minor action to gain combat advantage over an enemy within close burst 10.
Made You Look...
Once per encounter, as a move action, you may shift from a square adjacent to an enemy to another square adjacent to the same enemy. You have cover from enemies until the end of your next turn as long as you remain adjacent to that enemy.
Coming next: The Gods of Ascension and the Gods of Detriment.
I will also note that thanks to DDI, adding custom feats and making them apply correctly is really bloody difficult, and thus a hard thing to have 4e players do. Also, I have not really dealt with Divine Power dailies for these gods, except for Vai'Varin, as my Cleric and my Artificer worship him (The Rogue and the Avenger primarily worship Pi'kati). Still, the most efficient way of breaking one's game is through handing out utterly stupid custom magic items. But more on that later.