Times Cryptic No 28320 – Saturday, 18 June 2022. Less fast, more fraught

I struggled a bit with this, although I think it was good clueing rather than obscurity that troubled me. I didn’t know the worm at 1dn, though it may be familiar in Britain. I eventually dredged up the tea at 16 dn – luckily, since I’d never heard of the battle! The wordplay of 5dn was pretty.