The tier 4 cap shows that the player has won 500-1999 duels.
you have to defeat all 5 Tier duelist first, Pegasus is way at the end.
Tiers only occur in Daemonheim while dungeoneering. It represents the quality of the item. The better an item is, the higher the tier and level requirement are.
Adamant Dragons do not exist. The highest-tier metal dragon is still Mithril.
The first weapons introduced were Bronze Tier weaponry, shortly followed by iron etc.
It's a tier 5 platebody in RuneScape, with bonuses similiar to a Rune platebody. It is only available while Dungeoneering.
12618 2 tier and 3 tier difference
The RuneScape beta homepage is where you can login to RuneScape betas. Only players who have been given access to the server can login through here. The current beta at the time of this answer is the HTML5 RuneScape beta, which is open to all RuneScape members who are in the Silver and Gold tier pack and RuneScape members who have sent a request in and have been accepted. All RuneScape members will be able to test in the beta before the official release of the update (RuneScape 3), but free to play players are not expected to be able to take part in the testing.
3 tier system
Simon resides on the fifth Tier, along with Pegasus, the Duel Computer, and Trusdale (Solomon Muto). To unlock Tier 5, you must defeat each Duelist five times. You can also Duel Simon by winning the annual tournament in November. Once you defeat Simon, you will unlock Trusdale (Solomon Muto).
Besides the original period, Tier I (26 weeks), there are 3 extensions: Tier II (14 weeks); Tier III (13); and Tier IV (6) for a grand total of 59 weeks.
Client tier is actually a 3 tier hierarchical structure which includes cliet tier, application tier and data tier.
Chennai is tier 1 but Madras is tier 2