The following is a list of things Satan is capable of
1. inter-dimensional teleportation (Job 1:6,7)
2. Visual materialization in various forms (2Cor.11:14)
3. Transporting objects and people from place to place (Matt.4:5,8)
4. Molecular transformation of matter (Ex.7:12,22)
5. Counterfeit miracles(Ex.8:7; 2Thess.2:9; Rev.13:13-15)
6. Spontaneous human combustion(Job 1:16; Rev.13:13)
7. Possession of the minds of non-Christians(2Tim. 2:24-26)
8. Thought transference/implantation(1Chron. 21:1; Matt. 16:22-23)
9. Death(Heb. 2:14)
10. Hindering man's ability to comprehend the gospel(2Cor. 4:3-4)
11. Producing bodily illness(Lk. 13:11-17)
12. Producing mental illness(Mk. 5:1-13)
13. Inciting opposition to God(Acts 13:6-12)
14. Removing the Word of God from the mind(Matt. 13:19)
15. Manipulating the weather(Job 1:19; Mk. 4:35-39)
16. Hindering answers to prayer(Dan. 10:12-14,20-21)
17. Tempting people to sin(1Thess.3:5)
18. Inventing false religions/ideas(2Cor.11:3-4; 1Tim.4:1-3; 1John 4:1-3)
19. Manipulating things to bring financial disaster or wealth to individuals(Job 1:3,13-19; Matt. 4:8-9; 1Tim.6:9-10)
20. Disrupting the assembly of the saints by his presence or by inciting disunity, lies, divisions, etc.(Acts 5:1-10; 6:1)
21. Guiding the spirit/actions of nations(Dan. 10:13; Rev.16:14; 20:7-9)
22. Keeping believers in a constant state of depression and discouragement(1Pet.5:8-9)
23. Sending a messenger to be "a thorn in the flesh" in a believer, to vex his or her spirit as long as they live(2Cor.12:7-10)
24. Killing the body of excommunicated believers(1Cror.5:5)
25. Communicating with people during seances and other occult rites(Deut.18:9-11)