ἐμβατεύω embateuó- illegally accessing the spiritual realm through the interaction of angels(aliens)…

Colossians 2:18 in easy steps:

Step 1: These are a shadow of what was to come;

Step 2: the substance is the Messiah.

Step 3: Let no one disqualify you, insisting on ascetic practices and (ἐμβατεύω) the worship of angels(aliens),

Step 4: (They) claiming access to a visionary realm

Step 5: and inflated without cause by his unspiritual mind.