The Susarian Vassal Covenant

A suzerain–vassal covenant (sometimes spelled suzerain or susarian) is a type of political treaty from the ancient Near East, especially common among the Hittites and other Mesopotamian powers, that described the relationship between a powerful ruler (the suzerain) and a lesser ruler or people (the vassal).

These covenants had a highly formalized pattern, and scholars have noticed that biblical covenants (especially in Exodus, Deuteronomy, and Joshua) often follow the same pattern. The elements typically included:

1. Preamble – Identifying the suzerain (the great king) by name and titles.
2. Historical prologue – Recalling the past relationship, especially acts of kindness or deliverance by the suzerain toward the vassal.
3. Stipulations – The obligations of the vassal (loyalty, tribute, exclusive allegiance, military support).
4. Provision for deposit and public reading – Copies of the treaty were deposited in temples and read periodically.
5. Witnesses – The gods (or heavenly bodies) invoked as witnesses.
6. Blessings and curses – Promises of reward for loyalty and dire curses for rebellion or disobedience.

The suzerain was the protector, lawgiver, and benefactor. The vassal was bound to loyalty, obedience, and exclusive fidelity. Violation of the covenant was considered treason and invoked curses or destruction.

Exodus 20 (Ten Commandments) is one of these and all of Deuteronomy is almost a full suzerain–vassal treaty recast in Israel’s relationship with God, emphasizing His kingship and Israel’s loyalty as His “vassal people.”

Genesis 15’s Karat Berit Differences

Genesis 15’s Karat Berit is connected to that concept but with a few differences, it matches in that it follows the treaty pattern:

1. Preamble – “I am YHWH, who brought you out of Ur of the Chaldeans” (v.7). → The suzerain identifies Himself.
2. Historical prologue – God recalls His past action of calling Abram, promising offspring and land.
3. Stipulations – In this case, Abraham’s obligation is primarily faith/trust (Gen 15:6: “Abram believed YHWH…”). Later, stipulations are spelled out more explicitly in Genesis 17 and the law at Sinai.
4. Witnesses – Not explicitly listed here, but the ritual itself invokes heaven and earth (and the sacrificial pieces serve as solemn witnesses).
5. Blessings & curses – Implied in the covenant-cutting ritual. In ancient treaties, the split animals symbolized the fate of the one who breaks the covenant: “May this be done to me if I violate it.” Here, God alone passes through the pieces, essentially taking the full weight of the covenant on Himself.

What is unique in Genesis 15

1. In ordinary suzerain–vassal covenants, both parties would walk between the severed animals, symbolizing mutual obligation.
2. In Genesis 15, only God passes through as a “smoking firepot with a flaming torch”. This means the covenant’s fulfillment rests entirely on God’s faithfulness, not Abram’s.
3. This marks it as both a suzerain–vassal covenant (hierarchical) and a divine promise covenant (grace-based).

Although similar it is not the same.

The Karat Berit of The New Testament

The New Testament books from the Apostles cover another Karat Berit this time of Yeshua. In fact in Hebrew the name for the New Testament is Brit HaChadashah (ברית החדשה) or New Covenant. This New Covenant was made in blood as all the others prior just this time out of the blood of Yeshua.

Not only is the New Testament—the Brit Ḥadashah—a Karat Berit (“cut covenant”) made in the same pattern as in Genesis 15, where only Yahweh placed His own life on the line while Abraham slept, but Yeshua himself walked the divided path of that covenant down the streets of Jerusalem, bearing His cross. In doing so, He fulfilled what Yahweh had already prophesied—that He would establish a New Covenant with His people writing his Torah in their hearts.

The Possible Karat Berit of Noah & the Rainbow

This is more conjecture than direct evidense but there is an element of Karat Berit in the Rainbow oath of God to Noah and his decendents. In the Flood narrative, although the text highlights Noah building an altar and offering sacrifices, when it comes to the language of covenant establishment, the Torah does not use karat berit. Instead, God says: 

The difference is not mere semantics; it marks a profound theological shift. Why this shift? Most scholars assert that God, having already entered into a primordial relationship with creation, now affirms and upholds it after the deluge. Heqim berit is the language of affirmation, not fresh institution. But ancient tradition hints at something deeper: the rainbow, nature’s arc of refracted cut light, becomes the sign and seal of this pact [Genesis 9:13].

The Rainbow Covenant marks a departure from blood—a covenant cut, not through animal halves, but through spectral illumination, a rift in the heavens dividing storm from sunlight. It’s as if, having washed the earth clean, God chose no intermediary of mortal flesh, but instead cleaved the sky itself, forging the arc of light as an eternal witness.

Just as animal sacrifice in karat berit signified self-malediction upon failure, the splitting of light in the rainbow symbolizes divine commitment. Here, the fractured ray—sevenfold in color, indivisible in essence—becomes the visible token that the world shall never again be drowned. In this mystical reading, God Himself passes between the “pieces” of refracted light, binding the universe with a promise of mercy.

Thus, the Noahide covenant stands alone—a cosmic karat berit of radiance. Blood may mark the pacts of nations, but light marks the peace of creation. Each rainbow that shines after storm is the memory of that ancient oath, “cut” in the spectrum, not in carnage.

God’s rainbow, suspended like a bridge across eternity, signals not only the end of judgment, but the ongoing separation—a promise split not in flesh, but in light, forever witnessed by heavens and earth.