if I remember correctly second degree murder
Since 'next' is a time-order word, you need another.
'Then' is a time-order word. You are not stating a 'fact', nothing happened abruptly, or 'suddenly', and you aren't comparing anything, 'similarly'.
Allusion, both Odysseus and Achilleus are characters from separate works which are treated as poetic tools by Tennyson.
What do you mean by single story