「へと」particle usage

[DylanK]

In a song, I heard the following:
忘却の彼方へと落ちていくなら、それは逃げることだろう。

Apparently, it should translate into something like this ''If I go and fall past oblivion, that is just running away.''.

My question: how is へと used?

 

[Toritoribe]

The same question was asked in the following thread.
why the use of the double particle? | Japan Forum

 

[DylanK]

The same question was asked in the following thread.
why the use of the double particle? | Japan Forum

Thank you, hadn't seen it.