KanjiJLPT N1
Proceed

proceed, get, become, tend

Mnemonic

A ballerina begins to run across the grand hall, gracefully weaving past every obstacle. With each powerful stride she picks up speed, determined to proceed to her new assignment at the royal theater—no hesitation, pure purpose.
Additional thoughts
Picture a ballerina in full costume sprinting down a long corridor toward a glowing doorway. The elegance of dance fused with the urgency of duty makes the image stick. Run + Ballerina = deliberate forward motion.
Quick recall
A ballerina runs with fierce grace to proceed to her new post.

Details

The keyword for 赴 is proceed. This kanji conveys the idea of going forward toward a destination or heading somewhere with purpose and determination. It often implies setting out on a journey or moving toward an appointed place, such as reporting to a new post or advancing to fulfill a duty. The sense is one of deliberate, directed movement rather than casual travel.
On'yomi
Kun'yomi
おもむ.く