2)Damage over time (poison) is missing from on screen damage text.
Https://s11.postimg.org/x9fzh6p5f/dot.jpg
on l2scripts you cant see damage over time your spell is making
Also proof from official
https://www.youtube.com/watch?v=VAVG0M1ctF4
from 10:00 you can see multiple times on CritBlock that damage from Poison is Shown
3) No on-screen message for recovery of CP/HP/MP
on l2scripts you are not getting it, even though it is enabled in configuration.
official:
HP CP recovery
https://s2.postimg.org/svr7n2puh/HPcp.jpg
MP recovery
https://s2.postimg.org/6xuqtaau1/image.jpg
4) No on-screen message for Evading the spell
When you make 0 damage, your target evaded the spell and you should see on-screen message, but on l2scripts you don't.
official:
https://s2.postimg.org/ezizb6tll/evadedmsh.jpg
5) No on-screen messages for Blocking spell
When you make 50% of the damage you usually make, that means your target has blocked your spell and you should see on-screen message, but on l2scripts you don't
official:
https://s2.postimg.org/mpprgbvx5/block.jpg
*You can need to make sure that both caster and the target can see those on-screen messages, if everything is enabled like in this picture:
https://s2.postimg.org/cjh5xcbix/txt.jpg