The King is the heart and head of Israel - Heart - Rambam Laws of Kings 3:6. Head - Midrash Bamidbar Rabba 19:17

Crowning G-d is the endgame of Judaism - Starting with Adam who instigated the whole creation to crown G-d (by saying to them "Let's ... for He is a great King..." (Psalms 95)

Moshiach will have honorable ancestry - Me-am Loez Commentry to Psalms Pt.1 p.293

Moshiach winning wars with his mouth - Isaiah 11:4, Likutei Moharan Pt.1 2:1

Moshiach's might is within his counsel - Me-aam Loez to Isaiah p.144

Moshiach greater than King Solomon in wisdom - Rambam, Laws of Repentance 9:2

Moshiach higher than the Ministering Angels in Heaven - Midrash Tanchuma, Toldot 14.

Moshiach sorting out all international and national issues - Isaiah 2:4: "וְשָׁפַט בֵּין הַגּוֹיִם וְהוֹכִיחַ לְעַמִּים רַבִּים / And he shall judge between the nations (= international issues) and reprove many peoples (= national issues of many countries)" -- see MALBI"M on this verse.