*Round by round breakdown:* Rounds 1-7: Early rounds are mainly about collecting skill boxes, try to kill the minions to increase visibility and aim as horizontally as possible to cover as many tiles as possible and get boxes. I generally advise to wait until round 8 before using artifacts and making a big shot but sometimes it's fine to shoot at round 6 if you get good skills, as I did in the video. Round 8: First opportunity to make use of Thunder Spirit, if you're skilled and lucky you can chain that with another wall trap on round 9 Rounds 9-11: Collect skill boxes and on round 11, if the boss is close the wall, try to get a good position for round 12 (either on the tile under the totem or close to it, or as far as possible, center positions are pretty bad unless you also have Aphrodite shell or Sea Dragon wall to help) Round 12: Best moment to go for your first try if boss is in the right position, you have Thunder Spirit and, provided you have a level 7 altar, it ensures artifacts will be available again on rounds 18 and 20 Rounds 13-15: If the boss has never been in the right position yet, don't hesitate to shoot a dumb shot (putting yourself and the shell under the boss belly then shooting vertically upwards Round 16 : when the boss attacks, 1 hp save normally gets activated as well as Celestial Descent for rounds 17 and 18 Round 17: position yourself for the next shot and enter ghost form once the boss attacks. Celestial descent usually makes killing minions trivial. Round 18: if you're still in Celestial descent it sucks a bit to shoot now, unless you have ×5 combo powerup and a bunch of combo skills. The reason being celestial balls deal much less damage than say forest or dark and will probably feel underwhelming. Round 19: last position change for the boss, let's hope he hugs the wall Round 20: unleash ash all you got: use all 3 artifacts and watch your score skyrocket. Try to feel where to put your Aphrodite Curio on the lowest tile in order to fins the right angle One important last tip is that your aimline tells you if you're gonna do a wall trap, in order to be sure check the small circle indicating where you're aiming; even if the whole board is covered in darkness, you can still see a small part of the circle spilling out of the darkness, this is your key to success. And remember practice makes perfect. Enjoy the big scores and don't hesitate to ask for further precisions in the comment section below.
*Round by round breakdown:*
Rounds 1-7:
Early rounds are mainly about collecting skill boxes, try to kill the minions to increase visibility and aim as horizontally as possible to cover as many tiles as possible and get boxes. I generally advise to wait until round 8 before using artifacts and making a big shot but sometimes it's fine to shoot at round 6 if you get good skills, as I did in the video.
Round 8:
First opportunity to make use of Thunder Spirit, if you're skilled and lucky you can chain that with another wall trap on round 9
Rounds 9-11:
Collect skill boxes and on round 11, if the boss is close the wall, try to get a good position for round 12 (either on the tile under the totem or close to it, or as far as possible, center positions are pretty bad unless you also have Aphrodite shell or Sea Dragon wall to help)
Round 12:
Best moment to go for your first try if boss is in the right position, you have Thunder Spirit and, provided you have a level 7 altar, it ensures artifacts will be available again on rounds 18 and 20
Rounds 13-15:
If the boss has never been in the right position yet, don't hesitate to shoot a dumb shot (putting yourself and the shell under the boss belly then shooting vertically upwards
Round 16 : when the boss attacks, 1 hp save normally gets activated as well as Celestial Descent for rounds 17 and 18
Round 17: position yourself for the next shot and enter ghost form once the boss attacks. Celestial descent usually makes killing minions trivial.
Round 18: if you're still in Celestial descent it sucks a bit to shoot now, unless you have ×5 combo powerup and a bunch of combo skills. The reason being celestial balls deal much less damage than say forest or dark and will probably feel underwhelming.
Round 19: last position change for the boss, let's hope he hugs the wall
Round 20: unleash ash all you got: use all 3 artifacts and watch your score skyrocket. Try to feel where to put your Aphrodite Curio on the lowest tile in order to fins the right angle
One important last tip is that your aimline tells you if you're gonna do a wall trap, in order to be sure check the small circle indicating where you're aiming; even if the whole board is covered in darkness, you can still see a small part of the circle spilling out of the darkness, this is your key to success. And remember practice makes perfect.
Enjoy the big scores and don't hesitate to ask for further precisions in the comment section below.