Crusader. 17.2.14.
18 across. The best sensory equipment. two words of 4 and 7 letters.
I have got ?A?S ?H?S???S
8 down. Block an effect. 6 letters. D?M???
21 down. Part of the parade is solvent. 6 letters. ?F?O?T
16 down. Flier has grave problem - drink. 8 letters ???E?A?E
Thanks in advance.