My minecraft keeps crashing every time I fight

[20:21:19] [Client thread/INFO]: [CHAT] [243] [Rookie]Old_Farticus: I f8cked up
[20:21:28] [Client thread/INFO]: [CHAT] [54] [Rookie]Dat1Cake: STOP
[20:21:31] [Client thread/INFO]: [CHAT]
[20:22:04] [Client thread/INFO]: [CHAT] [Rookie]TEKKEN129: anyone selling armour say 123 eplase
[20:22:19] [Client thread/ERROR]: Item entity 20562 has no item?!
[20:22:24] [Client thread/INFO]: [CHAT] >--------------------------------------------<
[20:22:24] [Client thread/INFO]: [CHAT] Visit Our Website For Forums, Voting, And Donations
[20:22:24] [Client thread/INFO]: [CHAT] www.MCCentral.org
[20:22:24] [Client thread/INFO]: [CHAT] >--------------------------------------------<
[20:22:38] [Client thread/INFO]: [CHAT] [Rookie]jtylerdearborn: MOD
[20:22:44] [Client thread/INFO]: [CHAT] [Legend] Phytx0x has joined the server!
[20:22:54] [Client thread/ERROR]: Item entity 20670 has no item?!
[20:22:56] [Client thread/INFO]: [CHAT] [MCCentral] You have combat tagged lukewann!
[20:22:58] [Client thread/INFO]: [CHAT] $1 has been added to your account.
[20:22:58] [Client thread/ERROR]: ThrownPotion entity 20685 has no item?!
[20:22:58] [Client thread/ERROR]: ThrownPotion entity 20685 has no item?!
[20:22:58] [Client thread/ERROR]: ThrownPotion entity 20685 has no item?!
[20:22:58] [Client thread/ERROR]: ThrownPotion entity 20685 has no item?!
[20:22:58] [Client thread/ERROR]: ThrownPotion entity 20685 has no item?!
[20:22:58] [Client thread/ERROR]: ThrownPotion entity 20685 has no item?!
[20:23:03] [Client thread/INFO]: [CHAT] $1 has been added to your account.
[20:23:09] [Client thread/INFO]: [CHAT] $1 has been added to your account.
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1. A fatal error has been detected by the Java Runtime Environment:
   #

2. EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x000000001c64b6b5, pid=4692, tid=6012
   #

3. JRE version: Java(TM) SE Runtime Environment (8.0_25-b18) (build 1.8.0_25-b18)

4. Java VM: Java HotSpot(TM) 64-Bit Server VM (25.25-b02 mixed mode windows-amd64 compressed oops)

5. Problematic frame:

6. C [ig75icd64.dll+0x6b6b5]
   #

7. Failed to write core dump. Minidumps are not enabled by default on client versions of Windows
   #

8. An error report file with more information is saved as:

9. C:\Users\Admin\AppData\Roaming\.minecraft\hs_err_pid4692.log
   #

10. If you would like to submit a bug report, please visit:

11. http://bugreport.sun.com/bugreport/crash.jsp

12. The crash happened outside the Java Virtual Machine in native code.

13. See problematic frame for where to report the bug.
    #
    AL lib: (EE) alc_cleanup: 1 device not closed
    Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release