が必要 => need; necessary N4
必要がある => Need/Need to N4
に行く/に来る/に帰る => go/arrive/go back (to do something) N5
[要「よう」]するに => A. In short/put simply, B N2
Adjectival, Descriptions
要するに => in short; in a word; to sum up; to put it simply ~ N2
[必要「ひつよう」]はない => It is not necessary for A to be done N2
Needs, Requirements
へ => Go to N, head to N , Often followed by verbs like 行く/いく, 来る/くる, 向かう/むかう… N5
Particles
この / その / あの => this / that N5
Spatial relations
ものの => but, although N2
ものの => but, although N2
Things do not match the prediction
その...その => Every... N1
Happens next
...そのもの => Myself... N2
Demonstrate by example