Answer:
Nothing specific, but more than a few. This many clustered, together will do.
It is where kings, queens, knights and bishops go to war together.
In your fire you hear me scream! Creaking and whining yet I am dead before you lay me in your hearth.
Deep, deep, do they go. Spreading out as they go. Never needing any air. They are sometimes as fine as hair
Two year-Βold children who throw tantrums get this nickname. So did the tsar "Ivan."
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?