The abyss is a place that is little understood by any religion. Catholics refer to it as Purgatory, and believe that everyone must pay a visit. Other religions refer to it as a place of waiting. No one should view the abyss as a good option to being in the kingdom of God. In the abyss, you will continue to do everything with great effort, because nothing will be easy to accomplish. Instead of remaining healthy, you will need to work at being or becoming healthy. In lieu of being filled, you will constantly be trying to fill the void. Instead of having joy, you will forever be in pursuit of happiness. Instead of feeling peace, you will feel despair. Being in the abyss is like being in a place that is a prerequisite to everything you desire.
Three additional groups of people will be placed in the abyss by the Lord God Almighty. The first group are individuals who are living servants of the Lord, deeply admired, faithful to the Word, but have the wrong theology on the doctrine of salvation. Many of them have not been baptized by full immersion in water, and many do not have the indwelling Holy Spirit. They will be called to repentance when the timing is right. Some of them will be raptured into the final kingdom of God, and will be called to serve as priests in that kingdom. Others will remain in the abyss until the final judgment. None of them will be forced out of the abyss.
The second group are children under the age of twelve who were given demons and evil spirits and did not understand the significance. The demons and evil spirits will be incapable of doing harm, and the Lord will cleanse the children at the appropriate time, in order to determine their spiritual condition and their place in the kingdom. All of them will be raptured into the final kingdom of God, and will take their assigned position depending on their spiritual condition. Children that did not have demons and evil spirits will be in no greater position than those who did. Unless they are raptured into the millennial kingdom, all of these children will remain in the abyss indefinitely. They also will remain alive for an eternity.
The third group are individuals who claimed to have the indwelling Holy Spirit, but they didn't. They will have seven years to repent from the date they discover that they do not have the indwelling Holy Spirit. They can be raptured only into the final kingdom of God. They will never see God either during the millennium reign of Jesus, or in the final kingdom. They will be considered to have committed a form of blasphemy of the Holy Spirit because they knew they did not have the indwelling Holy Spirit and lied about it, despite the fact that the lie may not have been deliberate.
Thus sayeth the Lord God Almighty, Father of all the universes.