Incantation provides chap with raised skill (6)
I believe the answer is:
mantra
'incantation' is the definition.
(I've seen this before)
'chap with raised skill' is the wordplay.
'chap' becomes 'man' (I've seen this before**).
'with' means one lot of letters go next to another.
'raised' says the letters should be written backwards.
'skill' becomes 'art' (I've seen this before).
'art' written backwards gives 'tra'.
'man'+'tra'='MANTRA'
'provides' is the link.
(Other definitions for mantra that I've seen before include "Phrase repeated as aid to meditation in Buddhism" , "Something said to focus concentration" , "Chanted phrase" , "Oft-repeated slogan or phrase" , "Repeated incantation" .)