The spaceship portholes flashed of different coloured lights and let filter an increasing noise of tortured machines. Then it came a sudden explosion, so strong to lacerate the brain: an empty of white and yellow fire. Tones made with nch tone generator.
I tried to remake this sound:. Https://freesound. Org/s/135110/. This time in caustic using modular synth, hpf of course, phaser & flanger. I'll probably try to make it again in 8 years. Very different but still similar.