Cryptic crossword No 3,904

Across

1. Some boat meals contain porridge (7)
2. You can't go anywhere in Witcher III without someone inviting you to '13d' of this. Geralt, initially went to this Welsh region. (5)
3. Sounds like Battleships is a game of prediction. Take your shot! (7)
4. Miss de Armas weighs in with this cryptic crossword device (which I lean on far too much 😊). It's puzzling! (7)
5. Nova Pirate turns into thin air (with the missing oxygen) (11)
6. Move the unorthodox Audio/Visual dance forward! (7)
7. When their team plays against '8a', it's known as De Topper. Alternately designed, Hydrogen Oven. (9)
8. Disturbed spy is so fashionable. He knows what you are thinking (7)
9. Oval or elliptical in the middle. Honourable (American) courage (5)
10. Mad Master relocates to European capital (9)
11. A storm in a tea cup, up north. (7)
12. What you need to do to 21a, or deer. (7)
13. Off topic, initially Everyone Expects flower with petal of contrasting colour. (7)

Down

1. Patois collective mend morning disruption (6)
2. That huge Scottish sword is mine. (8)
3. The family that put America on the map, and provided Botticelli's muse. Portmanteau of two Italian staples of transport and fashion. (8)
4. Sounds like a good way to hide a small horse's identity. That's rich, spread it! (10)
5. Skillfully and dexterously, keep French to the right (6)
6. The green fairy. Helped Toulouse-Lautrec to lose-the plot. Search inside cabs in the dark. (8)
7. Sounds like fooling about on a golf course? (4,1,5)
8. Equestrians swap hospital for the North... That's where this populus come from. (8)
9. Spooned snipers are a type of... vake? How striking (6)
10. I hear if the Gallagher bros were from Birmingham... They'd call each other this. Blooming lovely! The Desert variety moves fast (6)
11. Hey! Sound formed in lips strain. (4)
12. Backwards Emo allowed to break eggs (in America) (6)
13. It's part of a mad craving to go dancing. (6)
14. Be jealous of wild New York Vegetarian (4)
15. Sounds like both cause and effect of being on fire. (6)
16. All the world is this. And it's something one must go through. (1,5)