I Became the First Prince: Legend of Sword's Song - Chapter 33
Comments for chapter "Chapter 33"
Since mana rings can essentially resonate with another. It somewhat amplified the poem for mana heart and evolved it to make it a war chant. 
Medival Rap battle
man this concept of poems is really unique and I am all for it 
Will they keep saying poems whenever they fight, because i dont think i can take this cringe 😬
A ballad sung by one is a deep hue. A ballad sung by many is a rainbow. 
They really did “Talk no Jutsu” along with “the power of NAKAMA!”
I like this new system of songs and poems in battle. Haven’t seen this before in other manwhas, and I hope the author continues to use it with newer poems and effects in battle.
Nice
Ok this series is like a 7/10 generally, but this was pretty epic.
Poem of Castle Black 
So the march can charge up the mana heart, thats cool
FIRST!
The Manhwa finally actual lean into the song aspects of its namesake, before this poems act no different from just the generic titles power buff from other Manhwas.