Water plop
1
https://freesound.org/people/danielpodlovics/sounds/530359/
2, 3, 4
https://freesound.org/people/Elfman-Rox/sounds/156907/

Squish death
knife-stab 1
https://freesound.org/people/Mixedupmoviestuff/sounds/179222/
stab 1, 2
https://freesound.org/people/Podcapocalipsis/sounds/521030/

Collision
Ice impact
https://freesound.org/people/InspectorJ/sounds/420882/

Heal wave (buffsound.mp3)
https://freesound.org/people/ryusa/sounds/531087/

Sell Chime
https://www.kenney.nl/assets/casino-audio

Click sound
https://mixkit.co/free-sound-effects/click/  
Used "Cool interface click tone"
License (free for commerical and non-commerical use, no redistribute) https://mixkit.co/terms/

Electricity:
https://freesound.org/people/michael_grinnell/sounds/512471/

Electricity-pop:
https://freesound.org/people/YevashenPillay/sounds/655841/

Blood splatter image
<a href="https://www.freepik.com/free-vector/white-background-with-bloodstain-halloween_945775.htm#query=blood%20splatter&position=12&from_view=keyword&track=ais&uuid=194a724a-850e-4c6b-a75d-527c86efeed2">Image by kjpargeter</a> on Freepik