- ACTOR
- Player
- GOAL
- Expand eligible Member level cap and stats
- ENTRY
- 3★+ Member is at current level cap and required materials are available
- START
- Eligible at cap / pre-Upgrade
- COMPLETION
- Upgrade confirmation completes
- END
- Materials consumed; Member upgraded; new illustration and cap available
- 01
PlayerOpen Upgrade and select eligible Member
- RESPONSE
- System checks rarity, cap and required materials
- RESULTING STATE
- Upgrade setup
- BRANCH
- 3★+ Member at current cap
- 02
PlayerConfirm Upgrade
- RESPONSE
- System consumes materials and applies upgraded state
- RESULTING STATE
- Upgraded Member
- BRANCH
- Requirements satisfied
TERMINAL - 02
PlayerConfirm Upgrade
- RESPONSE
- System consumes materials and applies upgraded state
- RESULTING STATE
- Upgraded Member
- BRANCH
- Requirements satisfied
TERMINAL