How do I solve 10 across in Express Cryptic 20260529?

Question

Accepted Answer

10 across reads "I master new deity" (7 letters); the answer is ARTEMIS. It's an anagram clue: the answer is a rearrangement of letters supplied by the clue itself. Look for an indicator like 'mixed', 'broken', 'cooked', or 'wild', and find a phrase whose letters add up to the answer's length. The full step-by-step breakdown is on this page.

I master new deity (7)

10A — I master new deity (7) — ARTEMIS