Implement Multi Critical Damage

[jenkijo]

Pull Request Prelude

• [x] I have followed [proper Hercules code styling][code].
• [x] I have read and understood the [contribution guidelines][cont] before making this PR.
• [x] I am aware that this PR may be closed if the above-mentioned criteria are not fulfilled.

Changes Proposed

Official behavior: http://ro.gnjoy.com/news/notice/View.asp?BBSMode=10001&seq=6726&curpage=1

• [x] Counter Attack
• [x] Focused Arrow Strike
• [x] Chain Action
• [x] Shadow Slash
• [x] Double Attack
• [x] Fear Breeze
• [x] Triple Attack

This PR original make by @ghost, but he is deleted his account, so this PR has been closed before, I just reopen it

Credits: @secretdataz @ghost

Issues addressed: #1558

[MrKeiKun]

can i request for a rebase for this?