Clue: …. things fall apart, dancing bear and Elvis in top form (8,5)
Answer: BREAKING POINT
Explanation: Definition: …. things fall apart

***(bear)** [anag:*dancing*] + KING ("Elvis") +***(in top)** [anag:*form*]
 
*This clue requires the "at which point" from the previous across clue to complete the definition, hence the ellipsis.