The line crossed
Giving worship or service to an idol.
Commandment 2 · Worship God alone

A friend gives you a pendant before an important exam. “It is not just jewellery,” they say. “This spirit protects people who honour it. Promise it your devotion.” The design is not the issue. The claim of spiritual power and the request for worship are.
Thou shalt not make unto thee any graven image, or any likeness of any thing that is in heaven above, or that is in the earth beneath, or that is in the water under the earth.Exodus 20:4 · King James Version · Opening verse of this commandment
Thou shalt not make unto thee any graven image, or any likeness of any thing that is in heaven above, or that is in the earth beneath, or that is in the water under the earth. Thou shalt not bow down thyself to them, nor serve them: for I the LORD thy God am a jealous God, visiting the iniquity of the fathers upon the children unto the third and fourth generation of them that hate me; And shewing mercy unto thousands of them that love me, and keep my commandments.
There is a cost behind every answer. Choose one to examine it.
Giving worship or service to an idol.
Refusing idol worship while respecting the person offering it.
An ordinary object or piece of art is not automatically an idol. This case turns on worship and service.
Distinguish three things: an object’s appearance, a claim about its power, and an act of worship. Which one changes this situation?