A simple Weak Aura group for showing Shadow Vulnerability (Shadow Weaving) stacks and timer.
Features:
- Shows duration remaining
- Shows current stacks in a growing, signal-style manner
- Attached to target frame
- At 5 stacks, C'thun's "You will die" emote plays (see https://classic.wowhead.com/sound=8585/a-cthunyouwilldie)