Bricked? Deleted /system and /data - adb shell

TF300TG
TWRP 2.8.7.2
KitKass 6.01 v23

After chosing data/wipe in Fast boot I dont have access to fast boot anymore and TWRP is hung on logo. I see Device is unlocked, and then automatic 4 penguins and TeamWin logo
I dont have access to twrp recovery.
But then i have access do ADB,


C:\Program Files (x86)\Android ADB>adb shell
~ # ←[6nmount
mount
rootfs on / type rootfs (rw)
tmpfs on /dev type tmpfs (rw,nosuid,relatime,mode=755)
devpts on /dev/pts type devpts (rw,relatime,mode=600)
proc on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,relatime)
tmpfs on /tmp type tmpfs (rw,relatime)
/dev/block/mmcblk0p2 on /cache type ext4 (rw,relatime,user_xattr,acl,barrier=1,d
ata=ordered)
~ # ←[6n

What can i do? adb reboot-bootloader is not working - nothing happen
I tried:
C:\Program Files (x86)\Android ADB>adb shell dd if=/dev/zero of=/dev/block/mmcbl
k0p3
dd: writing '/dev/block/mmcblk0p3': No space left on device
4097+0 records in
4096+0 records out
2097152 bytes (2.0MB) copied, 0.277807 seconds, 7.2MB/s

but still i dont have access to fast boot

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