Odin again?

Ta-dah, look what I found! I searched on the shelf with Roman
authors, starting at A:

Appianus: Mithridatica

101:
...
Mithridates wintered at Dioscurias in Colchis, which city, the
Colchians think, preserves the remembrance of the sojourn there of
the Dioscuri with the Argonautic expedition. Here he conceived the
vast plan, a strange one for a fugitive, of making the circuit of the
whole Pontus, and then of Scythia and the sea of Azov, thus arriving
at the Bosporus. He intended to take away the kingdom of Machares,
his ungrateful son, and confront the Romans once more; wage war
against them from the side of Europe while they were in Asia, and put
between them the strait which is believed to have called the Bosporus
because Io swam across it when she was changed into a cow and fled
from the jealousy of Hera.
102.
Such was the chimerical project that Mithridates now eagerly pursied.
He imagined nevertheless, that he should accomplish it. He pushed on
through strange and warlike Scythian tribes, partly by permission,
partly by force, so respected and feared was he still, although a
fugitive and in misfortune. He passed through the country of the
Heniochi, who received him willingly. The Achaeans, who resisted him,
hwe put to flight. These, it is said, when returning from the siege
of Troy, were driven by a storm into the Euxine sea and underwent
great sufferings there at the hands of the barbarians because they
were Greeks; and when they sent to their home for ships and their
request was disregarded, they conceived such a hatred for the Grecian
race that whenever they captured any Greeks they immolated them in
Scythian fashion. At first in their anger they served all in this
way, afterwards only the handsomest ones, and finally a few chosen by
lot. So much for the Achaeans of Scythia.
Mithridates finally reached the Azov country, of which there were
many princes, all of whom received him, escorted him, and exchanged
numerous presents with him, on account of the fame of his deeds, his
empire, and his power, which was still not to be despised. He even
formed an alliance with them in contemplentation of other and more
novel expoits, such as marching through Thrace to Macedonia, through
Macedonia to Pannonia, and passing over the Alps into Italy.
...

Nothing is heard of these plans afterwards. But this is, for the
first part, the route that "Odin" followed around that time. Did they
actually implement the plan? Did they hear of the defeat of
Mithridates while en route in Pannonia and were suddenly stranded
with no particular place to go?

And who are those Acheans of Scythia? Were "Odin"'s people descended
not from Trojans, but from Greek-hating Achaeans?

Torsten