QUES: That is the mantra is power

correct the punctuation.

CORRECTED: That is the mantra - is power.

QUES: It grows very quickly in a season by giving an increase of up to 45 m frost

correct the punctuation.

CORRECTED: It grows very quickly, in a season by giving an increase of up to 4.5 m, frost.

QUES: Third Kingdom is a newly established kingdom and it is growing very fast so the neighbors think your new kingdom will take their land and peoples So they decide to destroy your kingdom by attacking rapidly

correct the punctuation.

CORRECTED:
Third Kingdom is a newly established kingdom and it is growing very fast so the neighbors think your new kingdom will take their land and peoples. So, they decide to destroy your kingdom by attacking rapidly.