embers is a form of:

Formidable



adjective
1.
(causing fray, to be feared, likely to be difficult, exciting fear or apprehension, overwhelming) ដែលគួរអោយខ្លាច
ENGLISH MEANING
adjective
1.
Exciting fear or apprehension; impressing dread; adapted to excite fear and deter from approach, encounter, or undertaking; alarming.