Cant wait to test out sanctuary.
My suggestions would be:
1. Woe tokens that are exchanged for red/gold/pink emps from an npc in the forsaken kings room (1-2 tokens per emp I suggest). These would be a drop from all castles not a specific colour per castle.
2.Buffing the guardians.At the moment they are useless and never used.Increase their aspd to 194 and their damage by 5x current rate.Add some skills to them like decrease agi or slow grace.That way they can atleast slow people down a little if anything.
3.Possibly weapons that have twice the stats (atk power str,agi,vit,int,dex,luk nothing else) of the current valk weapons, that only work during woe on woe maps, obtained by trading in 5x wheel of the unknown and 5x omen of tempest to a npc in the forsaken kings room. (just suggesting this because long time ago there was talk about a weapon from woe! now there can be weapon(s)!)
4.Possible stopping the use of speed pots on woe maps so people cant speed pot straight to the emp in 10 seconds! (just an idea)
Will post more ideas as they come!