If you're at KBD, just spam the lever that teles you into the lair so that you keep teleing in and out, and since no one can attack you during this animation, you can easily log out.
If you're at glacors, your best bet is to get to the glacyte stage, run out of range of the glacors but not the glacytes, protect melee and just xlog.
Xlogging: This is when you click the X in the top right corner of your client whilst boxing an NPC in singles to log out during combat. It's perfectly allowed, despite what anyone says. To do this, just *box* an npc whilst removing any items that will increase your melee damage, whilst protecting from that NPC. So this only works if the NPC has one damage style. See: Spiders in KBD lair, Glacytes, bats west of magebank. Bats are really good because they'll PJ any PKers present so they're easy. The principle being is that the game will log you out after around 40sec-1min of combat after clicking X, if you aren't dead. So as long as you can carry on fighting the NPC for another 1 minute given their high-ish HP and your low-ish stats, you're free to Xlog.
Make sure that you brew yourself down to 1/99, then drink prayer pots (not restores since they'll boost your brewed down stats ofc) and just click x.
Learn multi lines. If you're at kbd, just run straight down, then at level 25 or so, south of the cemetary, keep west to avoid WW spots and the multi area over there. You can also run to dragons at level 11 and they'll PJ any pkers which is great for tanking a TB.
If you're at magebank, just get an alt account or a friend to drop brews and super prayers for you and you should be able to tank a teleblock easily. I suggest having an alt geared with brews+prayers (must have 20min playtime tho) at magebank for easy supply.
If you're at magebank but not tbed, just spam the lever leading into mage arena so that no one can attack you, and just log. See: KBD lever method.
If you're attacking miths, try to run east asap to avoid multi, and you can get an xlog because you can box the miths in singles and avoid taking damage since you have antifire/dfs/prot melee.
If you're doing the quest and need imbued bars, I recommend using the 13 obby to tele to 50s then fighting chaos ele so that you avoid mage bank and any PKers present there.
If you're doing chaos ele, then attack the chaos ele to the east of it so that you can check your minimap for PKers usually coming from magebank (West), then run up *around* the castle wall and log out.
I'll post any more ideas that come to mind, and if you have any others feel free to share.
Happy PvMing
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