elementalgodz11 What imports are you calling for water? Also, you can just check if the block is a liquid, you know. What's the message for that, and where is the location of it?
elementalgodz11 You could try getting the amount of damage from the onDamage event then seeing if subtracting that from their health is lower than 1. Like disss Code:java if(event.getEntity().getHealth() - event.getDamage() <= 0) Just make sure to check its a human!