When we feel sorrow upon killing in dreams in reality what is killed is some characteristic that we do not like in the person or in ourselves. If the feeling is negative it is an inferiority complex or guilt.
Dream dictionary: vampire in a bush killing people dream meanings
…Dreaming of a tiger advancing towards you, you will be tormented and persecuted by enemies. If it attacks you, failure will bury you in gloom. If you succeed in warding it off, or killing it, you will be extremely successful in all your undertakings. To see one running away from you, is a sign that you will overcome opposition, and rise to high positions. To see them in cages, foretells that you will foil your adversaries. To see rugs of tiger skins, denotes that you are in the way to enjoy luxurious ease and pleasure….
If they have bad intentions towards us, then it indicates slander, intrigue and suspicion. Catching them or killing them, you will dominate over your opponents.
If some insects such as bees stung you, there is no way to escape a talks behind your back or it is simply a reminder to find the solution for those minor troubles. The dream is also interpreted as the barriers that came to your life and you have to destroy them in order to succeed. If you are able to avoid those insects by for example killing them, then the victory is on your hands. The insects are also symbols of your mind, where you have too many anxieties about minor things.
Predict success and prosperity through hard work and teamwork. If bees make honey in our house, or our property, success and fortune are ensured. Being stung by a bee represents the existence of a danger to our reputation because of slander. Seeing angry bees attacking us signifies conflicts with partners, or that you are abandoning work because of the search for pleasures, which can bring misfortune and ruins. Killing bees is the worst dream, it indicates that the ruin is inevitable, and is near. Finally, see them on a flower is a symbol of a new love.
(See Killing)
To dream that youve killed someone means that you have unexpressed anger issues. The dream could also indicate the empathy towards particular person, because you havent deal with your issues. If you kill someone, because he tried to do the harm to you, or you tried to escape of being killed, it means that you are feeling insecure about some things in your life, therefore the killing is interpreted only as the self-defense. If you kill someone by accident, it means that you did some harm for someone and feel sorry and guilty about it. You could also be afraid of taking some of the responsibilities because of the harm that could be possibly done.
To dream of firing a gun, or hearing the report of a gun, denotes strife; if you imagine some friend fires it, it shows that there will be a difficulty with him. If you dream of killing a bird, squirrel, or other animal by shooting it, foretells that you will act rashly in some quarrel. For a lover to dream of firing a gun is a sign he will have trouble with his sweetheart.
Milking or killing cows foretells your prosperous state. Lean cows doth poverty, also famine, foreshow. Fat cows with plenty will your cupboards overflow.
It is a symbol of labor, success in job. Seeing bees being free is a happy presage. Seeing them going from a flower to another: it indicates a new love. If a bee stings you, your reputation is in danger. If bees are angry or they attack us, it indicates problems with partners or difficulties at work with consequent ruin. Killing them indicates that disappointment is inevitable and coming up next. Shatter the hive points that we are antisocial and misfit the environment.
…It is a symbol of work, job success. To see the bees free is a happy omen. To see them flying from flower to flower, it indicates a budding love. If a bee stings you, there is a danger to your reputation. If they’re angry or they attack, then that indicates problems with partners or sloppiness at work with consequent ruin. Killing them indicates that ruin is inevitable and is close. Shattering the hive is a sign that we are antisocial and misfit with the environment….
…To dream of the spider, shows your fear of the spiders in your waking life, especially if you felt frightened by them. Such dream could also denote to feminine aspects of the dreamer, especially if the dreamer is a woman. To dream of killing the spider, shows unpleasant news you will receive or bad experience you are going trough. To see the spider that is spinning the web denotes to your hard work which will be appreciated. It also indicates the little steps you are making while working, especially the view of the web. The creativity and adjustment you have reflex in a dreams. As a bad omen, the spider can be interpreted only in those cases when you were caught by the spider and trapped in his web. Maybe there are some circumstances that you should be aware in your waking life. If the spider has bitten you,…
…To see murder committed in your dreams, foretells much sorrow arising from the misdeeds of others. Affair will assume dulness. Violent deaths will come under your notice. If you commit murder, it signifies that you are engaging in some dishonorable adventure, which will leave a stigma upon your name. Dreaming that you are murdered, foretells that enemies are secretly working to overthrow you. See Killing and kindred words….
…Red and black snake in a dream symbolizes sexual balance between temptation and celibacy. Also, it means ability to balance power and authority. Alternatively, it shows departed fear for intimacy and elimination of hidden threat. As transformation dream, red snake fighting and killing black one means the beginning of changes. If black kills red one, then transformation has reached the end. Thus it represents unknown area in which you be led by your new personality. As healing dream, black losing against red snake means resurrected vitality. If red snake is dead or killed by black one, it means the absence of illnesses. For creativity black and red snakes in the dreams mean undiscovered talents. If a dream refers to subconsciousness, then red with black snake means calmness of inner voice….