Rowan would have loved to take the advice of the voice of Eosah, but he did not. Killing that echo gave him the same advantages that the echo would have gained by assimilating him; Rowan got stronger.
This modification was a thorough upgrade to every facet of his dimensional flesh, and although it was minimal, Rowan knew that these changes were the sort that would be nearly impossible for him to gain outside this place.
No, this place was not only dangerous but also filled with endless opportunities for advancement. Why should he run from beings who were not overwhelmingly more powerful than he was?
"Eosah, if you are the voice in my head, then it seems you have not realized that you are not giving your inheritance to a mere immortal. I am a dimension!"
In this place, he could not summon any weapon, but he did not need all of those when his arms were as dangerous as any blade he could wield.